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Fossils of many types of water-dwelling animals from the Devonian period are found in deposits in the U.S. state of Michigan. Among the more commonly occurring
Animals_of_Devonian_Michigan
Fourth period of the Paleozoic Era
during the Silurian, is known as the Silurian-Devonian Terrestrial Revolution. The earliest land animals, predominantly arthropods such as myriapods, arachnids
Devonian
Biological kingdom
from a hollow sphere of cells, the blastula, during embryonic development. With few exceptions, animals are able to move. Animals form a clade, meaning
Animal
Extinct clade of reef-building sponges
Stromatoporoidea is an extinct clade of sea sponges common in the fossil record from the Middle Ordovician to the Late Devonian. They can be characterized by
Stromatoporoidea
Paleontological research in the U.S. state
from Michigan during the Devonian. During the Early Carboniferous the sea covering Michigan began a gradual withdrawal. Sharks persisted as members of Michigan's
Paleontology_in_Michigan
Paleontological research in the U.S. state of Wisconsin
It also includes many types of trace fossils. The Devonian brachiopod Tylothyris from the Milwaukee Formation. The Devonian trilobite Eldredgeops norwoodensis
Paleontology_in_Wisconsin
U.S. state
Michigan (/ˈmɪʃɪɡən/ MISH-ig-ən) is a peninsular state in the Great Lakes region of the Upper Midwestern United States. It shares water and land boundaries
Michigan
Extinct genus of fishes
extinct genus of relatively large, barrel-shaped arthrodire placoderms that were found in oceans throughout the world from the Mid to Late Devonian, when the
Holonema
Superfamily of lophotrochs
colonial animals with calcitic tubular branching exoskeletons. They range from the Silurian to the Permian and were most common in the Devonian period.
Hederellid
reconstruct changes of composition of Devonian brachiopod communities from Gondwana and their biogeography, finding evidence of reduced faunal exchange
2026_in_paleontology
Extinct class of corals
The Early Devonian was the apex of diversity for rugosans and many other marine animals. The Middle to Late Devonian, however, saw a series of extinction
Rugosa
Genus of extinct fishes
Dunkleosteus is an extinct genus of large arthrodire ("jointed-neck") fish that existed during the Late Devonian period, about 382–358 million years ago
Dunkleosteus
Extinct genus of fishes
"Diplognathus lafargei sp. nov . From the Antrim Shale (Upper Devonian) of the Michigan Basin, Michigan, U.S.A." (PDF). Revista Brasileira de Paleontologia. 8
Diplognathus
Geologic member in the United States
Cleveland Shale, also referred to as the Cleveland Member of the Ohio Shale, is a Late Devonian (Famennian) shale geologic member in the eastern United
Cleveland_Shale
Extinct genus of corals
Silurian, Devonian, and Carboniferous periods. Among other places, it has been found in the Columbus Limestone in Ohio, and in the Spring Branch Member of the
Syringopora
Middle Devonian age unit of sedimentary rock
Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America. Named for a distinctive outcrop near the village of Marcellus, New
Marcellus_Formation
Limestone quarry in Michigan, USA
environments of the westernmost Devonian rocks in the Michigan basin". Devonian of the World; Proceedings of the 2nd International Symposium on the Devonian System
Michigan Limestone and Chemical Company
Michigan_Limestone_and_Chemical_Company
Extinct genus of corals
Fossils of Pleurodictyum have been found in: Silurian Argentina, Australia, Bolivia, Tajikistan, and the United States (Kentucky, Wisconsin) Devonian Algeria
Pleurodictyum
Geologic formation in Michigan, United States
geologic formation in Michigan. It is a part of the Traverse Group, which preserves fossils dating to the Middle to Late Devonian. It is the uppermost
Squaw_Bay_Limestone
prehistoric animals include both vertebrate and invertebrate species. Many of them are described below, along with their typical range of size (for the
Largest_prehistoric_animals
Extinct order of molluscs
freshwater in the Early Devonian, whereas others suggest that microconchids never colonised that environment. A recent review of the associated fauna failed
Microconchida
Third period of the Paleozoic Era
5 million years from the end of the Ordovician Period, at 443.1 Ma (million years ago) to the beginning of the Devonian Period, 419.62 Ma. The Silurian
Silurian
Organisms that live in salt water
nutrients and energy, which include animals, fungi, protists and non-photosynthetic microorganisms. Marine animals are further informally divided into
Marine_life
Extinct family of fishes
"DIPLOGNATHUS LAFARGEI SP. NOV. FROM THE ANTRIM SHALE (UPPER DEVONIAN) OF THE MICHIGAN BASIN, MICHIGAN, USA" (PDF). Revista Brasileira de Paleontologia. 8 (2):
Hadrosteidae
Extinct genus of fishes
Ptyctodus is an extinct armour-plated fish of the late Devonian. Ptyctodus belongs to the family Ptyctodontidae and is of the class Placodermi. They share a close
Ptyctodus
Feeding organ in the Lophophorata clade
ˈloʊfə-/) is a characteristic feeding organ possessed by four major groups of animals: the Brachiopoda, Bryozoa, Hyolitha, and Phoronida, which collectively
Lophophore
The animal family tree Animals are multicellular eukaryotes, and are distinguished from plants, algae, and fungi by lacking cell walls. All animals are
History_of_life
Geologic uplift in the Midwestern United States
late Ordovician through the Devonian period which stretched from northern Alabama northeastward to the southeastern tip of Ontario. Fossils from the Ordovician
Cincinnati_Arch
American paleobiologist
the University of Chicago. Sallan worked on End-Devonian extinction; a critical stage in the evolution of vertebrates. She found that the Hangenberg event
Lauren_Sallan
exceptional preservation of fossil organisms, regularly including many well-preserved animals and their soft tissue remains. The extent of Lagerstätten deposits
List_of_lagerstätten
Island in Michigan, United States
"Feast of Epona" involves the blessing of horses and other animals by a local churchman. Every summer, Mackinac Island accommodates several Michigan Boy
Mackinac_Island
Type of fossilized remains
of cetacean ancestors between freshwater and marine habitat. Tiktaalik is a genus of extinct sarcopterygian (lobe-finned fish) from the Late Devonian
Transitional_fossil
American botanist (1912–1991)
Floristics and vegetation of the Devonian-Mississippian black shale region of Kentucky. Ph.D. dissertation, University of Michigan, Ann Arbor. "Dr. Mary Wharton"
Mary_Wharton
Marine animals without a vertebral column
of body plans, and have been categorized into over 30 phyla. The earliest animals were marine invertebrates, that is, vertebrates came later. Animals
Marine_invertebrates
Cunctocrinus, a new Middle Devonian calceocrinid crinoid from the Silica Shale of Ohio. University of Michigan Contributions from Museum of Paleontology, v. 22(24)
List_of_crinoid_genera
(8): 719–722. Bibcode:2014Geo....42..719F. doi:10.1130/G35740.1. "The devonian section near Altoona, Pennsylvania". uchicago.edu. p. 627. doi:10.1086/621338
List_of_fossil_sites
Uncontrolled fire in forests or open spaces
traits of plants and animals that help them survive wildfire or to use resources created by wildfire. These traits can help plants and animals increase
Wildfire
Order of arachnids
the 410-million-year-old Devonian Rhynie chert, displayed almost all the characteristics of modern species, placing the origin of harvestmen in the Silurian
Opiliones
(ICZN), as well as Volume 1 and Volume 2 of Grzimek's Animal Life Encyclopedia (Farmington Hills, Michigan: Gale Group), edited by zoologists Michael
Taxonomy of commonly fossilised invertebrates
Taxonomy_of_commonly_fossilised_invertebrates
English paleontologist and biologist (1947–2020)
tetrapods, the "four-legged" animals said to have evolved from Devonian lobe-finned fishes and colonised the freshwater swamps of the Carboniferous period
Jenny_Clack
Paleontological research in the U.S. state of Ohio
state grew during the Devonian. During the Carboniferous, Ohio became a more terrestrial environment with an increased diversity of plants that formed expansive
Paleontology_in_Ohio
revises jawless vertebrates from the Silurian (Wenlock) to Devonian (Lochkovian) strata of the Ufa Amphitheatre (Russia), and names a new family Tahulaspididae
2025_in_paleoichthyology
above sea level. Indiana is bordered on the north by Lake Michigan and the state of Michigan; on the east by Ohio; on the south by Kentucky, with which
Geography_of_Indiana
at the end of the Devonian reversed early in the Carboniferous; this created the widespread epicontinental seas and carbonate deposition of the Mississippian
Geological_history_of_Earth
Class of jawless fish
Cyclostomi. The oldest fossils of stem-group lampreys are from the latest Devonian, around 360 million years ago, with modern-looking forms only appearing
Lamprey
of the Paleozoic life of Michigan contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of
List of the Paleozoic life of Michigan
List_of_the_Paleozoic_life_of_Michigan
Class of ectothermic tetrapods
the amniotes. This means that advocates of phylogenetic nomenclature have removed a large number of basal Devonian and Carboniferous amphibian-type tetrapod
Amphibian
York during the Devonian. Especially notable are the marine fossils of Cuyahoga County, Ohio, which was home to more than 120 kinds of marine life. The
Geological history of North America
Geological_history_of_North_America
juveniles. Fossils of a tetrapod resembling Ichthyostega and a probable whatcheeriid-grade tetrapod are described from two Devonian (Famennian) localities
2016_in_paleontology
Reproductive cycle of plants and algae
well developed than the sporophyte, although their Devonian ancestors had gametophytes and sporophytes of approximately equivalent complexity. In ferns, the
Alternation_of_generations
Wetland in Ohio, Indiana, and Michigan, United States
wetland in northwest Ohio, northeast Indiana, and southeast Michigan that existed from the end of the Wisconsin glaciation until the late 19th century. Comprising
Great_Black_Swamp
diversity of tabulate coral assemblages across the Devonian and early Carboniferous, and on their implications for the knowledge of the impact of extinction
2022_in_paleontology
American special effects designer and animator (1915–1998)
researching prehistoric reptiles, amphibians, and fish, as well as animals from the Devonian period. The film went into production in September 1953 under
Milicent_Patrick
Division of non-vascular land plants
meristem, an auxin-sensitive point of divergence with other land plants some time in the Late Silurian/Early Devonian. When the sporophyte has developed
Liverwort
Artifacts that challenge historical chronology
Association for the Advancement of Science vol. 51, John Murray London. Fitzpatrick-Matthews, K, and J Doeser (2007) A nail in Devonian sandstone from Kingoodie
Out-of-place_artifact
Small eight-legged arthropod
of acariform mites are from the Rhynie Chert, Scotland, which dates to the early Devonian, around 410 million years ago while the earliest fossils of
Mite
In Our Time is a radio discussion programme exploring a wide variety of historical, scientific, cultural, religious and philosophical topics, broadcast
List of In Our Time programmes
List_of_In_Our_Time_programmes
Classification of eukaryotes
phylogenetic classification of protists. The following groups contain protists. The clade Opisthokonta also contains the animals and the fungi, and the Archaeplastida
Protist_classification
Class of arthropods
whole-genome phylogeny supporting four orders of Collembola: Springtails are attested to since the Early Devonian. The fossil from 400 million years ago, Rhyniella
Springtail
Condition when water is both anoxic and sulfidic
structure during deposition of Middle Devonian–Lower Mississippian black and green/gray shales of the Illinois and Michigan Basins: a biomarker approach"
Euxinia
Class of marine invertebrates
urchins can create urchin barrens, damaged environments devoid of large algae and the animals associated with them. Like all echinoderms, adult sea urchins
Sea_urchin
Largest class of crustaceans
familiar animals. They are abundant in all marine environments and have colonised freshwater and terrestrial habitats. They are segmented animals, united
Malacostraca
Canadian-American geologist, paleontologist and naturalist (1840–1878)
studied the geology of New Brunswick, and devoted special attention to the Devonian shales, in which he discovered an abundance of land plants and insects
Charles_Frederick_Hartt
Extinct genus of fishes
preserves the earliest fossilized brain of a backboned animal". University of Michigan News. 2023-02-01. Retrieved 2024-05-21. "World's oldest preserved brain
Coccocephalus
County in Ontario, Canada
internationally known for its Devonian period fossils. Lambton County has 2,346 farms with a total of 592,793 acres. The largest single use of farmland in Lambton
Lambton_County
Variety and variability of life forms
animals and their habitat. Protected areas have been set up all over the world with the specific aim of protecting and conserving plants and animals.
Biodiversity
History of Earth 4600–539 million years ago
devoid of plants and animals, cyanobacteria and other microbes formed prokaryotic mats that covered terrestrial areas. Tracks from an animal with leg-like
Precambrian
Class of molluscs
Cambrian-Devonian species have been described as "monoplacophorans", but the only fossil members of the crown group date to the Pleistocene. The Taxonomy of the
Monoplacophora
Class of molluscs
during the Devonian and Carboniferous periods, siphons first appeared, which, with the newly developed muscular foot, allowed the animals to bury themselves
Bivalvia
National park in Ohio, United States
agreement is the first of its kind between the National Park Service and an English national park. Animals found in the park are animals typical throughout
Cuyahoga_Valley_National_Park
Predatory cartilaginous fishes
chondrichthyans such as Cladoselache and Doliodus first appeared in the Devonian Period (419–359 million years), though some fossilized chondrichthyan-like
Shark
Paleontological research occurring within or conducted by Indiana
Indiana since the Cambrian was still home to a variety of ancient life forms during the Devonian. Examples include brachiopods, bryozoans, corals, cephalopods
Paleontology_in_Indiana
Wetland in Indiana and Illinois, United States
Basin's bedrock is primarily Silurian and Devonian. Freshwater flows through dolomite and limestone Silurian-Devonian aquifers within the Kankakee Arch. The
Grand_Kankakee_Marsh
Symbiosis of fungi with algae
Vikulin SV (2007). "Two types of symbiosis with participation of Fungi from Early Devonian Ecosystems". XV Congress of European Mycologists, Saint Petersburg
Lichen
Fossilized tree resin
mixture of diterpinoid resins and n-alkyl compounds. Their main variety is Highgate copalite. The oldest amber recovered dates to the Middle Devonian (385 million
Amber
Indiana. It was also the time of New York's famous sea scorpion, Eurypterus. Fishes diversified greatly during the Devonian. On land the first known seed
Paleontology in the United States
Paleontology_in_the_United_States
Island in the North Atlantic Ocean
area of substantially deformed, lightly metamorphosed Devonian-aged rocks. This partial ring of "hard rock" geology is covered by a blanket of Carboniferous
Ireland
Palaeotydeus devonicus from the Devonian Rhynie chert (United Kingdom) and interpret them all as junior synonyms of Protacarus crani, assigned by the
2025 in arthropod paleontology
2025_in_arthropod_paleontology
Chronological listing of significant events in the history of tectonophysics
(Wilson 1965b), (Heezen & Tharp 1965). Wells, finds on growth rings of Devonian corals the maximum Earth expansion during this time to be less than 0
Timeline of the development of tectonophysics (after 1952)
Timeline_of_the_development_of_tectonophysics_(after_1952)
Vertebrate paleontologist
grandmother was especially supportive of his desire to become a paleontologist and drove him to a well-known Devonian roadside outcrop in Stroudsburg, Pennsylvania
Robert_M._Sullivan
Basic unit of taxonomic classification, below genus
such as those at the ends of the Ordovician, Devonian, Permian, Triassic and Cretaceous periods. Mass extinctions had a variety of causes including volcanic
Species
studies include reports of sick animals, stunted growth, and dead animals after exposure to hydraulic fracturing spills from dumping of the fluid into streams
Fracking_in_the_United_States
Coral reef system in Queensland, Australia
program has also killed many other animals (such as dolphins and turtles) – the program killed 84,000 marine animals from 1962 to 2015, including in the
Great_Barrier_Reef
"New Upper Devonian Cypridinacean ostracod from southern Indiana" (PDF). Contributions from the Museum of Paleontology University of Michigan. 15 (12):
1960_in_paleontology
List of Threatened Species. 2020 e.T113204000A113309830. doi:10.2305/IUCN.UK.2020-3.RLTS.T113204000A113309830.en. Day, David (1989). Vanished Animals. Gallery
Timeline of extinctions in the 20th century
Timeline_of_extinctions_in_the_20th_century
Mountain range in Arkansas and Oklahoma, United States
there are large populations of white-tailed deer, coyote, and other common temperate forest animals. Though elusive, hundreds of black bear roam the Ouachitas
Ouachita_Mountains
Banded variety of chalcedony
theories of where the silica originates from, including micro-shards of silica glass from volcanic ash or tuff deposits and decomposing plant or animal matter
Agate
American paleoecologist and paleoclimatologist
(2009). "Relative Taxonomic and Ecologic Stability in Devonian Marine Faunas of New York State: A Test of Coordinated Stasis". Paleobiology. 35 (4): 499–524
Linda_Ivany
Level III ecoregion in the United States
Mississippian, Devonian, and Silurian-age rocks and can look similar to those of the Interior Plateau. Cretaceous-age coastal plain deposits of silt, sand
Southeastern Plains (ecoregion)
Southeastern_Plains_(ecoregion)
primitive dipnoan from the Lower Devonian of the Canadian Arctic and the interrelationships of Devonian dipnoans". Journal of Vertebrate Paleontology. 21 (4):
2001_in_paleontology
Holloway (2019). "Phylogeny of some Devonian trilobites and consequences for the systematics of Austerops (Phacopidae)". Journal of Systematic Palaeontology
2019 in arthropod paleontology
2019_in_arthropod_paleontology
Period of long-term reduction in temperature of Earth's surface and atmosphere
The evolution of land plants at the onset of the Devonian period caused a long term increase in planetary oxygen levels and reduction of CO2 levels, which
Ice_age
Marine phylum of animals often with radial symmetries
crowns Calyx of Hyperoblastus, a blastoid from the Devonian of Wisconsin In 2019, 129,052 tonnes of echinoderms were harvested. The majority of these were
Echinoderm
"Legendary choreographer Merce Cunningham to appear at U-M". University of Michigan. 2004-03-01. Retrieved 2022-11-14. "243 fellowships to authors, artists
List of Guggenheim Fellowships awarded in 1954
List_of_Guggenheim_Fellowships_awarded_in_1954
Oleneva (2019). "New spiriferids (Brachiopoda) from the Upper Devonian of the Central Devonian Field and Southern Timan". Paleontological Journal. 53 (4):
2019 in brachiopod paleontology
2019_in_brachiopod_paleontology
this time period are of Cambrian, Ordovician, and Devonian age, from the Mount Simon Sandstone at the bottom of the sequence of sedimentary rocks to the
Geology_of_Minnesota
State-owned protected area in Pennsylvania, US
numbers of white-tailed deer that it imported nearly 1,200 animals from Michigan to re-establish the species, and made it the official state animal in 1959
Quehanna_Wild_Area
(2009). "A Great-Appendage Arthropod with a Radial Mouth from the Lower Devonian Hunsrück Slate, Germany". Science. 323 (5915): 771–773. Bibcode:2009Sci
List of organisms named after famous people (born before 1800)
List_of_organisms_named_after_famous_people_(born_before_1800)
Study of threats to biological diversity
Ashoka around 250 BC issued edicts restricting the slaughter of animals and certain kinds of birds, as well as opened veterinary clinics.[citation needed]
Conservation_biology
of fossil material of members of the genus Sycidium from the Upper Devonian of Armenia, providing new information on the morphology of the utricle of
2025_in_paleobotany
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ANIMALS OF-DEVONIAN-MICHIGAN
ANIMALS OF-DEVONIAN-MICHIGAN
ANIMALS OF-DEVONIAN-MICHIGAN
ANIMALS OF-DEVONIAN-MICHIGAN
ANIMALS OF-DEVONIAN-MICHIGAN
ANIMALS OF-DEVONIAN-MICHIGAN
ANIMALS OF-DEVONIAN-MICHIGAN
ANIMALS OF-DEVONIAN-MICHIGAN
ANIMALS OF-DEVONIAN-MICHIGAN
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