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Fifth age of the Early Cretaceous
The Aptian is an age in the geologic timescale or a stage in the stratigraphic column. It is a subdivision of the Early or Lower Cretaceous Epoch or Series
Aptian
Third and last period of the Mesozoic Era
étages (stages): the Neocomian, Aptian, Albian, Turonian, and Senonian, later adding the Urgonian between Neocomian and Aptian and the Cenomanian between the
Cretaceous
Extinction event during the Aptian stage
The Aptian extinction event (AEE) was an extinction event that occurred during the Aptian stage of the early Cretaceous Period around 116 or 117 million
Aptian_extinction
Division of plants containing three genera of gymnosperms
Cretaceous (Aptian) Chaoyangia Duan, 1998 Yixian Formation, China, Early Cretaceous (Aptian) Eragrosites Yixian Formation, China, Early Cretaceous (Aptian) Gurvanella
Gnetophyta
Genus of sauropod dinosaur
genus of euhelopodid sauropod dinosaur known from the Early Cretaceous (Aptian–Albian ages) Khok Kruat Formation of Thailand. The genus contains a single
Nagatitan
Family of insects
(Berriasian), Yixian Formation, China, Aptian Dzun-Bain Formation, Mongolia, Aptian, Khasurty, Zaza Formation, Russia, Aptian †Parabaisochrysa Lu et al., 2018
Chrysopidae
Period of cool climate during the Early Cretaceous
The Aptian-Albian Cold Snap (AACS) was an interval of cool climate during the late Aptian and early Albian stages of the Early Cretaceous epoch. It began
Aptian-Albian_Cold_Snap
Oceanic anoxic event during the Early Cretaceous
anoxic event (OAE) of global scale that occurred during the start of the Aptian stage of the Early Cretaceous, about 120.5 million years ago (Ma). The OAE
Selli_Event
Family of crickets
Formation, Brazil, Aptian ?Weald Clay, United Kingdom, Hauterivian †Brontogryllus Martins-Neto 1991 Crato Formation, Brazil, Aptian †Gryllospeculum Gorochov
Gryllidae
First epoch of the Cretaceous Period
Barremian–Aptian boundary ranged from 126 to 117 Ma until recently (as of 2019), but based on drillholes in Svalbard the defining early Aptian Oceanic Anoxic
Early_Cretaceous
Geologic formation in Thailand
It is the uppermost formation of the Khorat Group. It is dated to the Aptian stage of the Early Cretaceous period, and is notable for its fossils of
Khok_Kruat_Formation
Large clade of flowering plants
Molecular clock estimates indicate that the rosids may have originated in the Aptian or Albian stages of the Cretaceous, between 125 and 99.6 million years ago
Rosids
Sixth and last age of the Early Cretaceous
Ma to 100.5 ± 0.1 Ma (million years ago). The Albian is preceded by the Aptian and followed by the Cenomanian. The Albian Stage was first proposed in 1842
Albian
Family of plants
Cretaceous (Aptian) Leongathia V.A. Krassilov, D.L. Dilcher & J.G. Douglas 1998 Koonwarra fossil bed, Australia, Early Cretaceous (Aptian) Jianchangia
Ephedraceae
Genus of Early Cretaceous sauropod
fossils were found in rocks dating from near the end of the Early Cretaceous (Aptian–early Albian), from about 113 to 110 million years ago, a time when sauropod
Sauroposeidon
Last known individual of a species or subspecies
Olson's End-Capitanian Carnian Pluvial Toarcian End-Jurassic or Tithonian Aptian Cenomanian-Turonian Eocene–Oligocene Middle Miocene Pliocene–Pleistocene
Endling
Order of insects
Cretaceous (Aptian) Genus †Baissoptera Martynova, 1961 - Crato Formation, Brazil, Yixian Formation, China, Zaza Formation, Russia Early Cretaceous (Aptian), Spanish
Snakefly
Extinct bird genus
an extinct genus of euornithean birds known from the Early Cretaceous (Aptian age) Jiufotang Formation of Liaoning Province, China. The genus contains
Kunpengornis
Geologic formation of Early Cretaceous age in northeastern Brazil
The Crato Formation is a geologic formation of Early Cretaceous (Aptian) age in northeastern Brazil's Araripe Basin. It is an important Lagerstätte (undisturbed
Crato_Formation
flowering plants in the studied area during the Aptian. Carvalho et al. (2026) reconstruct the composition of Aptian assemblages of spore-producing plants from
2026_in_paleobotany
Yanshi Fossil Museum Psittacosaurus sp. Aptian Yixian Formation China GMC LL2001-01 Psittacosauridae indent. Aptian Yixian Formation China AMNH 6418 American
List of dinosaur specimens with preserved soft tissue
List_of_dinosaur_specimens_with_preserved_soft_tissue
Extinct genus of dinosaurs
known from the Dinosaur Beds of northern Malawi, which probably date to the Aptian stage of the Early Cretaceous. The type species is M. dixeyi and the specific
Malawisaurus
Extinct genus of turtles
an extinct genus of helochelydrid stem turtle known from the Cretaceous (Aptian-Campanian) of North America. It is the only member of the family known to
Naomichelys
Mass extinction event about 66 million years ago
Olson's End-Capitanian Carnian Pluvial Toarcian End-Jurassic or Tithonian Aptian Cenomanian-Turonian Eocene–Oligocene Middle Miocene Pliocene–Pleistocene
Cretaceous–Paleogene extinction event
Cretaceous–Paleogene_extinction_event
List of extinct species
Olson's End-Capitanian Carnian Pluvial Toarcian End-Jurassic or Tithonian Aptian Cenomanian-Turonian Eocene–Oligocene Middle Miocene Pliocene–Pleistocene
Lists_of_extinct_species
Genus of anhanguerid pterosaur from the Early Cretaceous
anhanguerid pterodactyloid pterosaur known from the Lower Cretaceous period (Aptian to Albian stages) of the Romualdo Formation of northeastern Brazil. Maaradactylus
Maaradactylus
Genus of tapejarid pterosaur from the Early Cretaceous
lower jaw, found in the Crato Formation, dating to the boundary of the Aptian-Albian stages of the early Cretaceous period, about 112 Ma ago. It was initially
Tupandactylus
Family of primitive moths
1989 Zaza Formation, Russia, Aptian † Parasabatinca Whalley, 1978 Lebanese amber, Barremian, Crato Formation, Brazil, Aptian † Terncladus Han, Zhang and
Micropterigidae
Extinct genus of dinosaurs
is a genus of ceratosaurian theropod dinosaur from the Lower Cretaceous (Aptian) of South America. The holotype material (MLP 26–39, Museo de La Plata,
Genyodectes
Geological formation in Dundgov, Mongolia
remains have been recovered from it. It has classically been considered Aptian-Albian in age. Khand et al. (2000) suggested that the age of formation is
Shinekhudag_Formation
Suborder of salamanders
Jurassic (Bathonian) Ilek Formation, Russia, Early Cretaceous (Barremian-Aptian) (Presumed to be a cryptobranchoid) †Laccotriton Fengshan fossil bed, China
Cryptobranchoidea
Family of beetles
Legalov 2009 Zaza Formation, Russia, Aptian †Pseudonemonyx Gratshev and Legalov 2009 Zaza Formation, Russia, Aptian †Turononemonyx Legalov 2014 Kzyl-Zhar
Nemonychidae
Standard rate of extinction
Olson's End-Capitanian Carnian Pluvial Toarcian End-Jurassic or Tithonian Aptian Cenomanian-Turonian Eocene–Oligocene Middle Miocene Pliocene–Pleistocene
Background_extinction_rate
Family of beetles
Cretaceous (Aptian) †Cretanaides Nikolajev 1996 Zaza Formation, Russia, Aptian †Protanaides Nikolajev 2010 Zaza Formation, Russia, Aptian Subfamily Ceratocanthinae
Hybosoridae
chenianus: Late Barremian – early Aptian Boreopterus cuiae: late Barremian – early Aptian Brasileodactylus araripensis: Aptian-Albian Cacibupteryx caribensis:
Graphical timeline of pterosaurs
Graphical_timeline_of_pterosaurs
Clade of marine crocodylomorphs
confined to low latitudes. The latest records of the group date to the Aptian. Some members of Teleosauridae have been discovered in non-marine deposits
Thalattosuchia
Extinct genus of reptiles
goniopholidid mesoeucrocodylian. Its fossils have been recovered from the early Aptian-aged (Early Cretaceous) Sao Khua Formation of eastern Thailand. It is known
Siamosuchus
Sedimentary basin in the south Atlantic Ocean
evolution combined with the arid Aptian climate of the southern latitudes resulted in the deposition of evaporites in the Late Aptian, approximately 112 million
Santos_Basin
Extinct subfamily of ants
from North America, South America, Europe, and Asia, spanning the late Aptian to Campanian, around 113 to 79 million years ago. The subfamily was first
Haidomyrmecinae
Extinct genus of ornithomimosaurian dinosaurs
genus of ornithomimosaurian theropod dinosaurs from the Early Cretaceous (Aptian age) Kitadani Formation of Japan. The type species is Tyrannomimus fukuiensis
Tyrannomimus
Extinct genus of dinosaurs
dinosaur that lived in South America during the Early Cretaceous (late Aptian-early Albian), about 112 million years ago. The type species is S. placidus
Santanaraptor
Genus of sauropod dinosaur
genus of somphospondylan sauropod dinosaur known from the Early Cretaceous (Aptian) Itapecuru Formation of Brazil. The genus contains a single species, Dasosaurus
Dasosaurus
Extinct genus of mammals
triconodontid which existed in China during the early Cretaceous period (Aptian/Albian age). It was described by Nao Kusuhashi, Yaoming Hu, Yuanqing Wang
Meiconodon
Genus of gymnosperms in the family Ephedraceae
Cretaceous around 125 million years ago, with records being known from the Aptian-Albian of Argentina, China, Portugal and the United States. The fossil record
Ephedra_(plant)
Extinct genus of centipedes
The Crato Formation is dated to the Aptian, while the Nova Olinda Member has been suggested to be latest Aptian to early Albian in age. Other arthropods
Cratoraricrus
Genus of plesiosaurs
is a genus of plesiosaurs of the family Elasmosauridae known from Late Aptian marine deposits in central Colombia. It contains a single species, L. bernadoi
Leivanectes
IUCN conservation category
Olson's End-Capitanian Carnian Pluvial Toarcian End-Jurassic or Tithonian Aptian Cenomanian-Turonian Eocene–Oligocene Middle Miocene Pliocene–Pleistocene
Extinct_in_the_wild
Geologic age in the Late Cretaceous
J Early Late P C Tithonian Berriasian Valanginian Hauterivian Barremian Aptian Albian Cenomanian Turonian Coniacian Santonian Campanian Maastrichtian Danian
Campanian
Extinct genus of dinosaurs
stiffened with a network of bony tendons. The genus is known from the late Aptian to Albian ages of the Early Cretaceous period sediments of western North
Tenontosaurus
Extinct clade of avialan dinosaurs
Cretaceous, Aptian) China Originally mistakenly believed to have possessed a pointed beak Dalingheornis 2006 Yixian Formation (Early Cretaceous, Aptian) China
Enantiornithes
Termination of a taxon in a region which it previously inhabited
Olson's End-Capitanian Carnian Pluvial Toarcian End-Jurassic or Tithonian Aptian Cenomanian-Turonian Eocene–Oligocene Middle Miocene Pliocene–Pleistocene
Local_extinction
Fourth age and stage of the Early/Lower Cretaceous
Cretaceous Series). It is preceded by the Hauterivian and followed by the Aptian Stage. The original type locality for the Barremian Stage is in the vicinity
Barremian
Formation located in South Australia
The Bulldog Shale is a formation of Early Cretaceous age (Aptian to Albian stages) that forms part of the Marree Subgroup of the Rolling Downs Group, located
Bulldog_Shale
Extinct genus of prehistoric bony fish
Tharrhias is an extinct genus of prehistoric bony fish that lived during the Aptian stage of the Early Cretaceous epoch. The type species T. araripis is named
Tharrhias
Extinct genus of dinosaurs
a genus of iguanodontian dinosaur that lived in the Barremian and early Aptian ages of the Early Cretaceous Period of Europe. Its remains are known from
Mantellisaurus
Genus of tapejarid pterosaur
rather than in Gondwana, and could have spread to Brazil during the later Aptian. The occurrence of a tapejarid in the Cenomanian of Morocco suggests that
Europejara
Genus of stegosaurian dinosaurs
stegosaurine remains from the Hekou Group of China, both of which date to the Aptian–Albian ages. The Yanbeilong holotype specimen, SXMG V 00006, was discovered
Yanbeilong
Genus of horseshoe crab relatives
Victalimulus mcqueeni is an extinct horseshoe crab, from Early Cretaceous (Aptian) Koonwarra Fossil Beds in eastern Victoria, Australia. The holotype and
Victalimulus
Genus of megaraptoran dinosaurs
ranged from 4–4.5 metres (13–15 ft) long during the Barremian-Aptian, after which Aptian-early Turonian forms increased to 4.5–6 metres (15–20 ft) in Australia
Maip
Geologic formation in the United States
the Trinity Group of Texas, the Antlers Formation is estimated to be late Aptian-early Albian. This age range is supported by the presence of two dinosaurs
Antlers_Formation
Sedimentary rock that is composed mostly of fragments of shells
deposited at the Late Barremian to Early Aptian, and the younger rift/sag microbial limestones deposited during the Aptian, just before the establishment of
Coquina
Family of crayfish
the extinct Palaeocambarus, known from the Early Cretaceous (Barremian-Aptian) Yixian Formation of China. "Crayfishes from the Jehol biota". Geodiversitas
Cambaroididae
Extinct family of reptiles
from the Middle Jurassic to the Early Cretaceous period (Bajocian to early Aptian) of Europe, North America and South America. The name Metriorhynchidae was
Metriorhynchidae
Genus of anhanguerian pterosaur
is an extinct genus of anhanguerian pterosaur from the Early Cretaceous (Aptian age) lower Santana Formation of Chapada do Araripe, Ceará, Brazil. The genus
Brasileodactylus
Extinct genus of lizards
de la Reina Formation, which dates back to the late Barremian and early Aptian stages of the Early Cretaceous. The vertebrae of Arcanosaurus share several
Arcanosaurus
Extinct genus of plesiosaurs
extinct genus of pliosaurid plesiosaurs known from the Early Cretaceous (Aptian age) Paja Formation of Colombia. The genus contains a single species, Boyacasaurus
Boyacasaurus
Symbol to represent mass extinction
Olson's End-Capitanian Carnian Pluvial Toarcian End-Jurassic or Tithonian Aptian Cenomanian-Turonian Eocene–Oligocene Middle Miocene Pliocene–Pleistocene
Extinction_symbol
Order of flowering plants
core eudicots. Some of the oldest fossils come from fossils dating the Aptian stage in places like Antarctica, Egypt and Argentina with these early pollen
Gunnerales
Family of insects
†Sinuijumantispa So & Won, 2022 Sinuiju Formation, North Korea, Early Cretaceous (Aptian) Theristria Gerstaecker, 1884 Afromantispa Snyman & Ohl, 2012 Asperala Lambkin
Mantispidae
Subdivision of Cretaceous Period
Late J Early Late Paleocene Berriasian Valanginian Hauterivian Barremian Aptian Albian Cenomanian Turonian Coniacian Santonian Campanian Maastrichtian
Late_Cretaceous
Petroleum and natural gas basin in Russia
Field. This was followed by several giant and large dry gas fields in the Aptian-Cenomanian Pokur Formation, including the Medvezhye Field and Urengoy Field
West_Siberian_petroleum_basin
Family of molluscs
purple. The family Muricidae first appears in the fossil record during the Aptian age of the Cretaceous period. According to the taxonomy of the Gastropoda
Muricidae
Extinct genus of dinosaurs
lizard") is a genus of small herbivorous ornithischian dinosaurs from the late Aptian to early Albian stage of the Early Cretaceous, around 118-110 million years
Leaellynasaura
Family of beetles
Cretaceous (Aptian) † Liadytiscus Prokin & Ren, 2010 Yixian Formation, China, Aptian † Mesoderus Prokin & Ren, 2010 Yixian Formation, China, Aptian † Liadyxianus
Dytiscidae
Extinct family of reptiles
Polycotylidae is a family of plesiosaurs from the Cretaceous. Polycotylids first appeared during the Albian stage of the Early Cretaceous, before becoming
Polycotylidae
Extinct genus of mammals
Early Cretaceous of Australia, sometime between 121 - 113 Ma during the Aptian. The only recorded species, Ausktribosphenos nyktos, was found on Flat Rocks
Ausktribosphenos
Extinct genus of dinosaurs
sauropod dinosaur that lived during the Early Cretaceous (either Barremian or Aptian age) in the Kitadani Formation in what is now Japan. The genus contains
Fukuititan
family Douvilleiceratidae. A study on the biostratigraphy of the Barremian-Aptian ammonite fossils from the southern edge of the Vercors Urgonian platform
2026_in_paleomalacology
Extinct genus of flea
flea known from a single species, T. australis, from the Early Cretaceous (Aptian) Koonwarra Fossil Bed of Victoria, Australia, it is the only member of the
Tarwinia
Family of cricket-like animals
(Barremian-Aptian) †Allaboilus Ren & Meng, 2006 Daohugou Beds, China, Middle Jurassic, Yixian Formation, China, Early Cretaceous (Barremian-Aptian) †Angustaboilus
Prophalangopsidae
Obsolete geological epoch
the Paleogene Period 66 mya. The Gallic epoch encompasses the Barremian, Aptian, Albian, Cenomanian and Turonian faunal stages (125.77-89.8 ± 0.3 mya).
Gallic_epoch
Mass extinction event 33.9 million years ago
Olson's End-Capitanian Carnian Pluvial Toarcian End-Jurassic or Tithonian Aptian Cenomanian-Turonian Eocene–Oligocene Middle Miocene Pliocene–Pleistocene
Eocene–Oligocene extinction event
Eocene–Oligocene_extinction_event
Genus of birds
is a genus of prehistoric bird which lived during the Early Cretaceous (Aptian stage, 120.3 million years ago). It contains a single species, Longipteryx
Longipteryx
Family of insects
†Baissobittacus (1) Novokshonov 1997 Zaza Formation, Russia, Early Cretaceous (Aptian) †Burmobittacus (1) Zhao et al. 2016 Burmese amber, Myanmar, mid Cretaceous
Hangingfly
Early Cretaceous dinosaur genus
known as the Oshih locality of the Khukhtek Formation, of Early Cretaceous Aptian to Albian age. The specimen, catalogued as AMNH 6254, was described in 1924
Psittacosaurus
Geologic formation in the United States
Cat and Ruby Ranch members, it probably was latest Barremian to earliest Aptian. Carbonate growths appear on bones in the quarry from which Venenosaurus
Cedar_Mountain_Formation
Family of insects
to contribute substantially to adult nutrition. Fossils are known since Aptian of the Early Cretaceous, with several described species from Cretaceous
Vespidae
Extinct genus of dinosaurs
Nakhon Ratchasima Province, from the Khok Kruat Formation, dating to the Aptian stage of the late Early Cretaceous, about 125-113 million years ago. Siamodon
Siamodon
Extinct genus of dinosaurs
extinct genus of ornithomimosaurian theropod dinosaur that lived during the Aptian and Albian stages of the Early Cretaceous in what is now North America.
Arkansaurus
Extinct family of insects
antlions. †Babinskaia Martins-Neto and Vulcano 1989 Crato Formation, Brazil, Aptian †Babinskaia formosa Martins-Neto and Vulcano 1989 †Babinskaia pulchra Martins-Neto
Babinskaiidae
Geologic formation in Thailand
The Phu Phan Formation is an Early Cretaceous (Barremian to Aptian) geologic formation in Thailand. Fossil theropod tracks have been reported from the
Phu_Phan_Formation
Family of insects
Formation, China, Early Cretaceous (Aptian) †Stelepelecinus Guo et al. 2016 Yixian Formation, China, Early Cretaceous (Aptian) †Zoropelecinus Engel and Grimaldi
Pelecinidae
Order of sharks
with confidence to the modern genus are known from the Early Cretaceous (Aptian) of England. Klug, Stefanie; Kriwet, Jürgen (2013). "Node age estimations
Squatiniformes
Extinct genus of dinosaurs
genus of bipedal basal neoceratopsian dinosaur, from the Early Cretaceous (Aptian age) of north central China. The etymology of the generic name refers to
Auroraceratops
Extinct genus of fishes
Huajiying formations in Liaoning, northern China from the Barremian to Aptian ages of the Early Cretaceous period around 125-120 million years ago. It
Protopsephurus
Extinct genus of pholidosaurid crocodylomorph
from the deposits of the Elrhaz Formation, which has been dated as late Aptian or early Albian stages of the Late Cretaceous. It took about a year to prepare
Sarcosuchus
Extinct genus of dinosaurs
in Liaoning province, China. This rock formation has been dated to the Aptian age of the Early Cretaceous period, 120 million years ago. C. beishanensis
Chaoyangia
Alberto; Salgado, Leonardo (2018). "A new rebbachisaurid sauropod from the Aptian–Albian, Lower Cretaceous Rayoso Formation, Neuquén, Argentina". Acta Palaeontologica
List of South American dinosaurs
List_of_South_American_dinosaurs
Genus of tapejarid pterosaur
extinct genus of tapejarid pterosaur from the Early Cretaceous period (Aptian to Albian stages) of Brazil. It is known from a single type species, Caiuajara
Caiuajara
Geological time period
above, and an Urgonian division, including the Barremian, Rhodanian and Aptian sub-stages. Sir A. Geikie (Text Book of Geology, 4th ed., 1903) regards
Neocomian
APTIAN
APTIAN
APTIAN
APTIAN
Boy/Male
Hindu, Indian
Beautiful
Girl/Female
Australian, Czechoslovakian, Greek
Gift of Divine; Gift of God
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Mythological, Sanskrit, Sindhi, Telugu
Wife of Arjuna; The Pandava Prince
Boy/Male
Tamil
Renounced, Illustrious
Girl/Female
Australian, Dutch, Latin
Flower; Form of Florence; Blooming
Girl/Female
Indian
Flame, Light, Shinning
Boy/Male
Muslim
Judge
Female
English
Pet form of English Linda, LINDY means "serpent."
Boy/Male
Hindu
Golden king
Girl/Female
Muslim
Poem
APTIAN
APTIAN
APTIAN
APTIAN
APTIAN