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Entry for Cameroon in ISO 3166-2
by a hyphen. The first part is CM, the ISO 3166-1 alpha-2 code of Cameroon. The second part is two letters. Subdivision names are listed as in the ISO
ISO_3166-2:CM
Subdivision in West Bengal, India
Jangipur subdivision is an administrative subdivision of Murshidabad district in the state of West Bengal, India. West Bengal's CM Mamata Banerjee announced
Jangipur_subdivision
This is a list of administrative subdivision the state of Assam
January 2016. Retrieved 27 January 2016. "Assam CM announces creation of 2 New Districts and 24 Subdivisions, Voice of Greater Assam". Staff Reporter. 26
List_of_subdivisions_of_Assam
ISO standard country subdivision codes
Standardization (ISO), and defines codes for identifying the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. The
ISO_3166-2
Shamsherganj blocks. It will also include the Dhuliyan Municipality. "CM announces new subdivision in Murshidabad". The Times of India. 2025-05-06. Retrieved 2025-08-23
Farakka_subdivision
List of tornado locations
structural damage near Rockvale and in the Country Park subdivision and a neighboring subdivision in the western part of Murfreesboro, south of Highway
List of tornadoes in the 2011 Super Outbreak
List_of_tornadoes_in_the_2011_Super_Outbreak
District in West Bengal, India
Ichamati district consisting of Bangaon subdivision and a yet unnamed district consisting of Basirhat subdivision by bifurcating the district for better
North_24_Parganas_district
026 (Harris) Areas 149 square miles (390 km2) (Rockwall) – 6,192 square miles (16,040 km2) (Brewster) Government County government Subdivisions Precinct
List_of_counties_in_Texas
Unit of length
double prime symbols, and also the first and second cuts of the degree.) Subdivisions of an inch are typically written using dyadic fractions with odd number
Inch
Entry for Spain in ISO 3166-2
Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. Currently
ISO_3166-2:ES
Annual selection of best U.S. team
football in the United States, currently the NCAA Division I Football Bowl Subdivision (FBS), is a designation awarded annually by various organizations to
College football national championships in NCAA Division I FBS
College_football_national_championships_in_NCAA_Division_I_FBS
Portion of the space within a ship
and may provide watertight subdivision of the ship's hull important in retaining buoyancy if the hull is damaged. Subdivision of a ship's hull into watertight
Compartment_(ship)
Two or three letter codes that represent each country
their subdivisions. The ISO 3166 standard contains three parts: ISO 3166-1 – Codes for the representation of names of countries and their subdivisions – Part
List of ISO 3166 country codes
List_of_ISO_3166_country_codes
Short line railroad in northern Idaho (1909–1998)
as a new operator for the line was sought. When BG&CM stepped in to operate the second subdivision line in December 2002, it was originally only to extend
Camas_Prairie_Railroad
Shara Murun region of the Erlian Basin, Inner Mongolia, China, and the subdivision of the Ulangochuian Asian Land Mammal Age". American Museum Novitates
2025_in_paleomammalogy
Kaqchikel people; attested in Contact records. Archaic 1. A first-order subdivision of Maya history, and historical period in Maya chronology; part of the
Glossary of the Maya civilisation
Glossary_of_the_Maya_civilisation
District of Assam in India
the truncated Karimganj subdivision remained in India and was incorporated into Cachar district as a full-fledged subdivision. It was carved out of Cachar
Karimganj_district
as an option. The postal abbreviation is the same as the ISO 3166-2 subdivision code for each of the fifty states. These codes do not overlap with the
List of U.S. state and territory abbreviations
List_of_U.S._state_and_territory_abbreviations
Thrust belt
the past 5 to 6 million years, corresponding to a retreat rate of 2 to 3 cm per century. Some anticlines in the Haute-Chaîne thrust over the synclines
Geology_of_the_Jura_Massif
sites that yielded fossils of Luangwa, which might be indicative of a subdivision within the Dinodontosaurus Assemblage Zone. Schmitt et al. (2024) revise
2024_in_paleontology
McIlraith of the Manukau District Court voids the results of the Papatoetoe subdivision of the Ōtara-Papatoetoe Local Board election during the 2025 Auckland
2025_in_New_Zealand
Pakistani admionistrative area
is a Tehsil (subdivision) of Taunsa District in the Punjab province of Pakistan. Wahova city is the headquarter of tehsil. "Punjab CM approves establishment
Wahova_Tehsil
Freight railroad operating in Canada and the USA
following rail lines: Searsport Subdivision (29 mi (47 km) Northern Maine Junction, ME to Searsport, ME) Millinocket Subdivision (78.5 mi (126.3 km) Northern
Central Maine & Quebec Railway
Central_Maine_&_Quebec_Railway
Legal limit to which a ship may be loaded
may have one or more additional load line marks corresponding to the subdivision drafts approved for the alternative conditions. These marks show P1 for
Load_line_(watercraft)
localities are marked by an asterisk. Location: Every country and first-level subdivision the taxon was found in. In the case of multiple locations, holotype localities
List of Mesozoic bird-line archosaur genera (C–F)
List_of_Mesozoic_bird-line_archosaur_genera_(C–F)
denied or abridged by the state of Colorado or any of its political subdivisions because of sex. – Colorado Constitution, Article II, §29 (1973). United
Timeline of women's legal rights (other than voting) in the 20th century
Timeline_of_women's_legal_rights_(other_than_voting)_in_the_20th_century
1997 F5 tornado
residents in the Double Creek Estates, which at the time was a small subdivision located to the northwest of Jarrell, and inflicted approximately US$40
Jarrell_tornado
Severe weather event
2.32 mi (3.73 km) [to be determined] Several trees were snapped in a subdivision. EF1 SE of Delavan Tazewell IL 40°30′01″N 89°04′02″W / 40.5003°N 89
Tornado outbreak of April 17–18, 2026
Tornado_outbreak_of_April_17–18,_2026
Most populous city in Canada
the help page). "Census Profile, 2016 Census: Toronto, City [Census subdivision], Ontario and Canada [Country]". Statistics Canada. Retrieved October
Toronto
Derailment, White Pass and Yukon Route Work Train 114, Mile 36.5 Canadian Subdivision, Log Cabin, British Columbia, 03 September 2006. Most of this locomotive
List of White Pass and Yukon Route locomotives and cars
List_of_White_Pass_and_Yukon_Route_locomotives_and_cars
City in Western Finland
65 (2.6) 55 (2.2) 57 (2.2) 51 (2.0) 46 (1.8) 582 (22.9) Average snowfall cm (inches) 32.3 (12.7) 31.4 (12.4) 29.5 (11.6) 13.9 (5.5) 1.6 (0.6) 0.1 (0.0)
Tampere
International standard diagnostic tool
level of the four digit subcategories, and some optional five digit subdivisions. For the benefit of users not requiring such detail, care was taken to
International Classification of Diseases
International_Classification_of_Diseases
Prehistoric ivory sculpture discovered in the Hohlenstein-Stadel, a cave in Germany
newly found fragments, the figurine stands 31.1 cm (12.2 in) tall, 5.6 cm (2.2 in) wide, and 5.9 cm (2.3 in) thick. It is currently displayed in the
Lion-man
Province of Canada
however, saw the "Century's Snowstorm" with more than 40 cm (16 in) in Montreal to 80 cm (31 in) in Mont Apica of snow within 24 hours in many regions
Quebec
Deep-sea shark
also a new genus and family. He based his account on an immature male 107 cm (42 in) caught in Sagami Bay near Yokohama, Japan. The specimen had been acquired
Goblin_shark
United States portal List of places named after people List of country subdivisions named after people List of islands named after people Buildings and structures
List of places in the United States named after people
List_of_places_in_the_United_States_named_after_people
Radio frequency band
from 12 to 40 gigahertz (GHz), but is often used to refer to the middle subdivision of the range (18 to 27 gigahertz). The range of the K-band between 18
K_band_(IEEE)
Species of snake
and it has the longest fangs of any venomous snake – up to 2 inches (5.1 cm) in length – and the highest venom yield of any snake. No subspecies are recognized
Gaboon_viper
Species of flowering plant
climates, or from late summer onwards in cool-summer climates. The sepals are 2 cm long with slender points. The flowers have a characteristic musky scent emanating
Rosa_moschata
First-level administrative divisions of Cameroon
of Cameroon ISO 3166-2:CM List of municipalities of Cameroon List of regions of Cameroon by Human Development Index Subdivisions of Cameroon Zeitlyn, David
Regions_of_Cameroon
Fatal crowd crush during 1989 FA Cup semi-final
of its 30 for 30 series of sports films (under a new "Soccer Stories" subdivision). Directed by Daniel Gordon and co-produced with the BBC, the two-hour
Hillsborough_disaster
City in Texas, United States
which include larger geographical sections of territory including many subdivisions or neighborhoods, forming macroneighborhoods. Central Dallas is anchored
Dallas
Genus of plants
a range of heights: midget or dwarf (15–20 cm or 6–8 in), medium (40–75 cm or 15–30 in) and tall (75–120 cm or 30–48 in). Removing the dead flowers, referred
Antirrhinum
Most populous city in Nevada, United States
district created by this chapter is hereby declared to be a political subdivision of the State of Nevada whose purpose is to administer the state system
Las_Vegas
1824 symphony by Ludwig van Beethoven
movement) . The third subdivision develops bars 3–4 of the first theme (bars 19–20 of the first movement). The fourth subdivision that follows develops
Symphony_No._9_(Beethoven)
Southern United States tornado outbreak
structural anchoring. Additional roof damage was noted along CSX's S&NA North Subdivision as the tornado exited downtown, with sporadic tree damage observed until
Tornado outbreak of December 28–29, 2024
Tornado_outbreak_of_December_28–29,_2024
Weather event in the United States
6 cm) in diameter hailstone occurring in the Kankakee area, which, if confirmed, would break the former Illinois state record of 4.75 inches (12.1 cm)
Tornado outbreak of March 10–12, 2026
Tornado_outbreak_of_March_10–12,_2026
Indian politician and former IPS Police Officer
Initially serving as Assistant Superintendent of Police (ASP) in Karkala subdivision from 2013, four police stations under his jurisdiction - Karkala Town
K._Annamalai_(BJP_politician)
Eukaryotes other than animals, plants or fungi
Some amoebae can grow to sizes visible to the naked eye, reaching up to 20 cm. Amoeboflagellates can produce both pseudopodia and flagella within the same
Protist
Capital city of Canada
density : census division and subdivisions = Population, superficie et densité de la population: divisions et subdivisions de recensement". Internet Archive
Ottawa
Christian university in Lynchburg, Virginia, U.S.
season, the Liberty Flames compete in NCAA Division I Football Bowl Subdivision (FBS) as a member of Conference USA. The team used Lynchburg's City Stadium
Liberty_University
Species of flowering plant
inhabits damp gravels and screes, often over limestone. The stems grow up to 40 cm (16 inches) tall, and are topped with loose heads of white, four-petalled
Arabis_alpina
Country in South Asia
ISBN 978-0-19-935444-3. Retrieved 3 May 2024. Gwillim Law (1999). Administrative Subdivisions of Countries: A Comprehensive World Reference, 1900 Through 1998. McFarland
Pakistan
Wildfire in Northern California, US
Sacramento Metropolitan Fire District chief, "There's just some places a subdivision shouldn't be built." Issues include if development can be safe, and if
Camp_Fire_(2018)
State in western India
second-most populous state in India, the third-most populous country subdivision in South Asia, and the fourth-most populous in the world. The region
Maharashtra
City in the United States
same tornado also resulted in considerable damage to the Anderson Hills subdivision and in Harvest, Alabama. In total, nine people were killed in Madison
Huntsville,_Alabama
Ordinary Administrative Fiscal Labour Social Joint Senate Other courts Subdivisions State (Land) Minister president State Parliament (Landtag) composition
List of political parties in Germany
List_of_political_parties_in_Germany
Bridge in India
Chief Minister of West Bengal, on Matla River in Canning town of Canning Subdivision in January 2011. It is also known as Matla Bridge. It links Canning with
Matla_Setu
Province of Canada
and dwelling counts, for Canada, provinces and territories, and census subdivisions (municipalities), 2006 and 2001 censuses – 100% data". Statistics Canada
Ontario
Lok Sabha Constituency in West Bengal, India
2014. Archived from the original on 14 July 2014. Retrieved 13 June 2014. "CM in damage control mode". The Statesman, 1 May 2014. Retrieved 14 June 2014
Asansol Lok Sabha constituency
Asansol_Lok_Sabha_constituency
Non-commercial use of the radio spectrum
to transmit images. It typically operates on the 70 cm (420–450 MHz) but may also use the 33 cm and higher frequencies. Because of wide bandwidth requirements
Amateur_radio
Largest city in Texas, United States
can only impose general floodplain regulations for enforcement during subdivision approvals and building permit approvals. The 2020 U.S. census determined
Houston
2011 EF5 tornado in Mississippi and Alabama, U.S.
further as it reached its peak intensity, tearing into the town's eastern subdivision as it destroyed several homes and buildings at violent intensity, flooring
2011_Smithville_tornado
Capital and most populous city of Georgia, U.S.
Population of County Subdivisions – Georgia" (PDF). US Census Bureau. 1960. "1970 Census of Population – Population of County Subdivisions – Georgia" (PDF)
Atlanta
Order of mammals
(4): 412–433. doi:10.1111/1749-4877.12080. PMID 24148672. palmate Janis, C.M.; Scott, K.M. (1987). "The Interrelationships of Higher Ruminant Families
Artiodactyla
Supranational political and economic union
Vatican City include the use of the euro and other areas of co-operation. Subdivisions of member-states are based on the Nomenclature of Territorial Units for
European_Union
City in Georgia, United States
Northside, is a diverse suburban area, home to established neighborhoods and subdivisions, such as Green Island Hills and Oldtown. It has multiple shopping and
Columbus,_Georgia
Axe specifically designed for combat
just over 30 cm (1 ft) to upwards of 150 cm (5 ft), as in the case of the Danish axe or the sparth axe. Cleaving weapons longer than 150 cm (5 ft) would
Battle_axe
Cardiff 35 (highest number 83) CH Chester Chester 37 (highest number 66) CM Chelmsford Chelmsford 25 (highest number 77) CO Colchester Colchester 16 CR
List of postcode areas in the United Kingdom
List_of_postcode_areas_in_the_United_Kingdom
Tornado outbreak in the United States
impacting large residential areas south of London, first impacting a subdivision of homes along Sara Lane at high-end EF2 intensity. Several trees and
Tornado outbreak of May 15–16, 2025
Tornado_outbreak_of_May_15–16,_2025
tornadoes across the state. The first crossed through a residential subdivision in Livermore in Alameda County, which damaged a few houses and trees
List_of_California_tornadoes
Monument on the Wisconsin Capitol
Wisconsin Artist Daniel Chester French Year 1913-14 Dimensions 470 cm (185 in) Location Madison, Wisconsin Coordinates 43°4′28″N 89°23′5″W / 43.07444°N
Wisconsin_(statue)
Number, approximately 1.618
isosceles triangle, but the golden triangle is the only one for which this subdivision is made by the angle bisector, because it is the only isosceles triangle
Golden_ratio
Unincorporated town in Nevada, United States
land. The communities comprising Mt. Charleston are made up of four subdivisions: Echo, Cathedral, Old Town and Rainbow, as well as a condominium complex
Mount_Charleston,_Nevada
Genus of plants
wandering dude, spiderwort, dayflower and trad. Tradescantia grow 30–60 cm tall (1–2 ft), and are commonly found individually or in clumps in wooded
Tradescantia
City in Kansas, United States
absorbed in the merger of Wyandotte, Kansas City, and Armourdale Arrickary Subdivision Bethel – a neighborhood located generally along Leavenworth Rd., between
Kansas_City,_Kansas
Sixth and last period of the Paleozoic Era
County, Zhejiang .The GSSP for the base of the Changhsingian is located 88 cm above the base of the Changxing Limestone in the Meishan D section, Zhejiang
Permian
Capital city of Texas, United States
at Zilker Park and stretches South/Southwest to the Woods of Westlake subdivision, is characterized by large limestone cliffs, dense foliage, and shallow
Austin,_Texas
Tornadoes officially rated F4/EF4 or equivalent Day Year Country Subdivision Location Fatalities Notes Rated by October 23 1091 UK Greater London London
List of F4, EF4, and IF4 tornadoes
List_of_F4,_EF4,_and_IF4_tornadoes
Municipality in Catalonia, Spain
(2.90) 69.1 (2.72) 95.9 (3.78) 91.1 (3.59) 939.7 (37.00) Average snowfall cm (inches) 28.5 (11.2) 31.0 (12.2) 22.0 (8.7) 2.5 (1.0) 1.5 (0.6) 0 (0) 0 (0)
Vielha_e_Mijaran
Mode of political funding in India
contributions from businesses including foreign entities. In 2023, former CM Chandrababu Naidu was arrested and the Andhra Pradesh Criminal Investigation
Electoral_bonds
Province of Canada
Railway operates freight services along the same route, as well as a subdivision from Moncton to Saint John. The New Brunswick Southern Railway, a division
New_Brunswick
University in Fez, Morocco
original inscription. It features a large astrolabe with a diameter of 71 cm, which is embedded into a wooden structure in the corner of the room, but
University_of_al-Qarawiyyin
1916 major naval battle during World War I
British battlecruisers such as Tiger. German ships had better internal subdivision and had fewer doors and other weak points in their bulkheads, but with
Battle_of_Jutland
ISO standard for country codes
3166-1 (Codes for the representation of names of countries and their subdivisions – Part 1: Country code) is a standard defining codes for the names of
ISO_3166-1
Pakistani administrative area
Multan City Tehsil (Urdu & Punjabi: تحصیل ملتان شہر), is a Tehsil (subdivision) of Multan District in the Punjab province of Pakistan. Multan city is
Multan_Tehsil
2000 U.S. missing persons case
raised both children in their house on Oakcrest Drive in a residential subdivision amidst a generally rural area north of Shelby, North Carolina, on the
Disappearance_of_Asha_Degree
Parasitic or predatory annelid worms
approximately corresponds to the traditional subclass Hirudinea. The main subdivision of leeches is into the Rhynchobdellida and the Arhynchobdellida, though
Leech
Flowering genus, rose family Rosaceae
varying in size from 1–4 cm (1⁄2–1+1⁄2 in) in diameter in most of the wild species, to 6 cm (2+1⁄4 in) in M. sylvestris sieversii, 8 cm (3 in) in M. domestica
Malus
Tornadoes officially rated F4/EF4 or equivalent Day Year Country Subdivision Location Fatalities Notes Rated by February 12 1950 United States Louisiana
List of F4 tornadoes (1950–1959)
List_of_F4_tornadoes_(1950–1959)
Pakistani cricketer
Pakistan national team. Noman Ali was born in Khipro, a small city in a subdivision of the Sanghar District, Sindh to a Punjabi family having roots in Attock
Noman_Ali
Standard defining codes for currencies
were used in the past. Minor units of currency (also known as currency subdivisions or currency subunits) are often used for pricing and trading company
ISO_4217
Entry for Liberia in ISO 3166-2
Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. Currently
ISO_3166-2:LR
Object that reflects an image
glass bubble, and then cutting off a small circular section from 10 to 20 cm in diameter. Their surface was either concave or convex, and imperfections
Mirror
State in Eastern India
officer appointed by the government. The district is further divided into subdivisions, which consist of tehsils for land revenue administration, headed by
Bihar
Capital of England and the United Kingdom
July 2024. Greater London is one of nine regions of England and the top subdivision covering most of the metropolis. The City of London at its core once
London
Ancient Greek analogue astronomical computer
the remains of a wooden-framed case of (uncertain) overall size 34 cm × 18 cm × 9 cm (13.4 in × 7.1 in × 3.5 in), was found as one lump, later separated
Antikythera_mechanism
Membrane that forms lining of abdominal cavity or coelom
Infraperitoneal / Subperitoneal Stomach, half of the first part of the duodenum [2.2 cm], jejunum, ileum, cecum, appendix, transverse colon, sigmoid colon, rectum
Peritoneum
District of Kerala state, India
77°E / 11.25; 75.77 Country India State Kerala Headquarters Kozhikode Subdivisions Revenue Divisions: 2 Kozhikode Vatakara Taluks: 4 Kozhikkode Vatakara
Kozhikode_district
Largest Arctic island in Nunavut, Canada
[Census subdivision], Nunavut". June 19, 2019. Retrieved May 22, 2022. "Aboriginal Population Profile, 2016 Census Clyde River, Hamlet [Census subdivision],
Baffin_Island
CM SUBDIVISION
CM SUBDIVISION
Surname or Lastname
English
English : occupational name for an officer of a court of justice, whose duties included serving writs, distraining goods, and (formerly) arresting people. In England formerly it was also a status name for the chief officer of a hundred (administrative subdivision of a county). The derivation is from Middle English, Old French bailis, from Late Latin baiulivus (adjective), ‘pertaining to an attendant or porter’ (see Bailey).Thomas Baylies, a prominent Quaker, came to Boston from London in 1737.
CM SUBDIVISION
CM SUBDIVISION
Girl/Female
Muslim/Islamic
Pleasant agreeable
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Punjabi, Sikh, Tamil, Telugu
Victorious
Girl/Female
Hindu
Most respectable
Boy/Male
Tamil
Permanent, Eternal God, Lord Shiva
Girl/Female
Christian & English(British/American/Australian)
A Cascade
Boy/Male
Muslim
Complete
Girl/Female
Hindu, Indian, Marathi, Sindhi, Tamil
Intelligent Gem
Surname or Lastname
English
English : habitational name from the county seat of Warwickshire, or a regional name from the county itself. The city was originally named as the ‘outlying settlement (Old English wīc) by the weir (a hypothetical Old English wæring)’. Compare Warrington.English : habitational name from a much smaller place of the same name in Cumbria, named with Old English waroð ‘bank’ + wīc.
Girl/Female
Indian
A Raagini which is a hybrid of Deepak
Boy/Male
Muslim/Islamic
Little Star
CM SUBDIVISION
CM SUBDIVISION
CM SUBDIVISION
CM SUBDIVISION
CM SUBDIVISION
n.
An individual, or group of individuals, of a species differing from the rest in some one or more of the characteristics typical of the species, and capable either of perpetuating itself for a period, or of being perpetuated by artificial means; hence, a subdivision, or peculiar form, of a species.
a.
Thrice pinnately cleft; -- said of a pinnatifid leaf when its segments are pinnatifid, and the subdivisions of these also are pinnatifid.
n.
So much of a play as passes without change of locality or time, or important change of character; hence, a subdivision of an act; a separate portion of a play, subordinate to the act, but differently determined in different plays; as, an act of four scenes.
n.
One of the subdivisions into which the Upper Cretaceous formation of Europe is divided.
n.
An asexual zooid, usually forming one of a series of larval forms in the agamic reproduction of various trematodes and other parasitic worms. The sporocyst generally develops from an egg, but in its turn produces other larvae by internal budding, or by the subdivision of a part or all of its contents into a number of minute germs. See Redia.
n.
A distinct part or portion of a book or writing; a subdivision of a chapter; the division of a law or other writing; a paragraph; an article; hence, the character /, often used to denote such a division.
n.
A portion of music divided off by a double bar; a complete musical period or sentence; a movement, or any rounded subdivision of a movement.
a.
Hence, characterized by excessive subtilty, or needlessly minute subdivisions; pedantic; formal.
a.
Of, pertaining to, or designating, a subdivision of the Trenton Period of the Lower Silurian, characterized in the State of New York by beds of shale.
n.
One of the subdivisions, of more importance than genus, into which certain families are divided.
n.
A subdivision of a genus, comprising one or more species which differ from other species of the genus in some important character or characters; as, the azaleas now constitute a subgenus of Rhododendron.
a.
The sixtieth part of a minute of time or of a minute of space, that is, the second regular subdivision of the degree; as, sound moves about 1,140 English feet in a second; five minutes and ten seconds north of this place.
n.
A subdivision of a group, as of animals.
a.
Situated over or above a trochlea or trochlear surface; -- applied esp. to one of the subdivisions of the trigeminal nerve.
n.
A part of a thing made by subdividing.
n.
In Canada, one of the subdivisions of a county.
n. pl.
One of the grand divisions of the animal kingdom, comprising all animals that have a backbone composed of bony or cartilaginous vertebrae, together with Amphioxus in which the backbone is represented by a simple undivided notochord. The Vertebrata always have a dorsal, or neural, cavity above the notochord or backbone, and a ventral, or visceral, cavity below it. The subdivisions or classes of Vertebrata are Mammalia, Aves, Reptilia, Amphibia, Pisces, Marsipobranchia, and Leptocardia.