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Tritemnodon

Tritemnodon was born hyaeanodontid, which lived 54-38 million years ago. Fossils of this animal found in the Willwood formation of big horn and lower Bridger formation of Uinta County, Wyoming. He was the size of a wolf.

                                               

Typotheria

Typotheria is a suborder of extinct mammals of the order Notoungulata and includes five families: Archaeopithecidae, Campanorcidae, Interatheriidae, Mesotheriidae, and Oldfieldthomasiidae. Cifelli indicated that Typotheria would be paraphyletic i ...

                                               

Vassacyon

Vassacyon is an extinct genus of Miacidae. It contains two species, Vassacyon promicrodon and Vassacyon bowni. It is considered the largest of the mammals of the early Eocene.

                                               

Yaverlestes

Yaverlestes gassoni is an extinct mammal which belongs to the early Cretaceous period, 130 million years ago. It is part of the Wessex formation of the Isle of Wight, England. The holotype, BMNH m 54386, a partial jaw discovered near Yaverland. T ...

                                               

Prehistoric cetacean stubs

                                               

Prehistoric even-toed ungulate stubs

                                               

Prehistoric odd-toed ungulate stubs

                                               

Prehistoric primate stubs

                                               

Chilognatha

                                               

Amauropilio

                                               

Prehistoric arachnids

                                               

Liocypris grandis

                                               

Prehistoric crustaceans

                                               

Prehistoric myriapods

                                               

Extinct insects since 1500

                                               

Extinct beetles

                                               

Extinct Hemiptera

                                               

Extinct Hymenoptera

                                               

Extinct Lepidoptera

                                               

Prehistoric insects

                                               

Extinct insect taxonomy

                                               

Prehistoric bryozoan genera

                                               

Athyridida

Order Athyridida Paleozoic brachiopods is included in Rhynchonellata, which is part of articulate brachiopods. In Athyridida are Rostrospracea R. Moore 1952, was considered at the time to be Spiriferida suborder. As with the Spiriferida, Athyridi ...

                                               

Gypospirifer condor

Gypospirifer Condor is an extinct species of fossil articulate brachiopods belonging to the family Trigonotretidae. They were stationary epifaunal organisms-filter feeders. Fossil remains of this species were discovered in sediments of Carbonifer ...

                                               

Orthida

Orthida an extinct order of brachiopods which appeared in the early Cambrian and became very diverse by the Ordovician, living in shallow-shelf seas. Orthids are the oldest member of the Rhynchonelliformea subphylum, and is the one from which all ...

                                               

Spiriferida

Spiriferida order of extinct articulate brachiopods fossils, which are known for their long hinge-line, which is often the widest part of the hull. In certain births is greatly elongated, giving them a wing-like appearance. They often have a deep ...

                                               

Craniopsida

                                               

Prehistoric brachiopod genera

                                               

Strophomenata

                                               

Belosaepia

Species of the genus Belosaepia reached 18 cm 7.1 in length and 5 centimeters 2.0 in diameter and had a large siphuncle that has penetrated the slanting walls. The shell was endogastrically spiral. It was a small belemnite-like guard, which took ...

                                               

Borysthenia goldfussiana

† Borysthenia goldfussiana is an extinct species of small freshwater snails with a Gill and operculum, aquatic gastropod mollusks in the family Valvatidae, the valve snails.

                                               

Carelia (gastropod)

Karelia is a genus of small, air-breathing, snails, terrestrial pulmonary gastropods in the family Amastridae and Cochlicopoidea superfamily. Snails of this genus are endemic to the Hawaiian Islands.

                                               

Euryentmema cigclis

                                               

Gibbus

                                               

Gonidomus

                                               

Guildfordia hendersoni

                                               

Gyrotoma

† Gyrotoma is a genus of extinct freshwater snails with operculum, aquatic gastropod mollusks of the family Pleuroceridae. This genus was endemic to the United States. All species within this genus are considered to be extinct. They were original ...

                                               

Heterocithara granolirata

                                               

Heterocithara laterculus

                                               

Heterocithara marwicki

                                               

Janulus pompylius

Janulus pompylius was one of the types of air-breathing snails, terrestrial pulmonary gastropods in the family Gastrodontidae. This species is considered extinct.

                                               

Keraea garachicoensis

Keraea garachicoensis is an extinct species of air-breathing snails, terrestrial pulmonary gastropod mollusks in the family Discidae, or Endodontidae. Keraea garachicoensis thought to be extinct.

                                               

Lymnaea tomentosa hamiltoni

The pond snail Lymnaea tomentosa hamiltoni is an extinct subspecies of freshwater snail, aquatic gastropod mollusks in the family Lymnaeidae, the pond snails. This species is endemic to New Zealand. The shells of these snails were found in lake m ...

                                               

Parmacella gervaisii

Parmacella Gervaisii is an extinct species of air-breathing snails, terrestrial pulmonary gastropod mollusks in the family Parmacellidae. Parmacella Gervaisii is considered to be extinct.

                                               

Lists of prehistoric molluscs

                                               

Ammonites by classification

                                               

Prehistoric mollusc taxonomy

                                               

Phylogeny of pterosaurs

This phylogeny of pterosaurs entails the various phylogenetic trees used to classify pterosaurs throughout the years and the views of those animals. Pterosaur phylogeny is currently very controversial and several hypotheses are presented below.

                                               

Plesiosaur-related lists

                                               

Captorhinids

Encyclopedic dictionary

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