Prehistoric Models: Archosauromorphs

Archosauromorpha meaning “ruling reptile forms” in greek, is a clade of diapsid reptiles containing all reptiles more closely related to archosaurs. Archosaurs include crocodilians, dinosaurs, and birds (avian dinosaurs), rather than lepidosaurus including snakes, lizards, and tuataras.

Archosaurmorphs first appear during the middle Permian, though they became much more common and diverse during the Triassic Period. Archosaurmorpha is one of the most diverse groups of reptiles, but its members can be united by several shared skeletal characteristics.

Primary source of the data below courtesy: http://www.prehistoric-wildlife.com/

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Order: Protorosauria – Clade: Prolacertiformer – Family: Tanystrophidae

(tanystropheids)

Triassic

 

Genus: Tanystropheus “long strap

Genus pronounced: Tan-ee-stro-fee-us

Species: T.‭ ‬conspicuous,‭ ‬T.‭ ‬longbardicus,‭ ‬T.‭ ‬meridensis

Named by: Christian Erich Hermann von Meyer‭ ‬-‭ ‬1852

Classification: Family: Tanystrophidae

Time: Middle Triassic

Locality: Europe, Middle East and China

Size: 6 meters long

Diet: Carnivore

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Allokotosauria – Family: Azendohsauridae

(azendohsaurs)

Middle Triassic (Ladinian) to Late Triassic (Carnian)

 

Genus: Shringasaurus “horned lizard

Genus pronounced: Shrin-gah-sore-us

Species: S. indicus (type)

Named by: S.‭ ‬Sengupta,‭ ‬M.‭ ‬D.‭ ‬Ezcurra‭ & ‬S.‭ ‬Bandyopadhyay‭ ‬-‭ ‬2017

Classification: Family: Azendohsauridae

Time: Middle Triassic

Locality: India, Madhya Pradesh – Denwa Formation

Size: 4 meters long

Diet: Herbivore

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Family: Proterosuchidae

(archosaurformes)

Late Permian to Early Triassic

 

Genus: Proterosuchus‭ early crocodile

Genus pronounced: Pro-teh-ro-su-kuss

Species: P.‭ ‬fergusi‭ (‬type‭)‬,‭ ‬P. alexanderi, P. goweri

Named by: Robert Broom‭ ‬-‭ ‬1903

Classification: Family: Proterosuchidae

Time: Early Triassic (Induan)

Locality: China and South Africa

Size: 3.5 meters long

Diet: Carnivore

 

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Order: Rhynchosauria – Family: Hyperodapedontidae – Subfamily: Hyperodapedon

(rhynchosauria)

Early to Late Triassic

 

Genus: Hyperodapedon  best pestle tooth

Genus pronounced: High-per-o-dap-e-don

Species: H.‭ ‬gordoni‭ (‬type‭)‬,‭ ‬H.‭ ‬huenei,‭ ‬H.‭ ‬huxleyi,‭ ‬H.‭ ‬mariensis,‭ ‬H.‭ ‬sanjuanensis, H. tikiensis

Named by: Thomas Henry Huxley‭ ‬-‭ ‬1859

Classification: Order: Rhynchosauria, Family: Hyperodapedontinae, Subfamily: Hyperodapedontinae

Time: Late Triassic (Carnian)

Locality: Argentina,‭ ‬Brazil,‭ ‬India,‭ ‬Scotland

Size: 1.3 meters long

Diet: Herbivore

 

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Clade: Eucrocopoda – Family: Euparkeriidae

(early archosaur)

Early Triassic to Middle Triassic

 

Genus: Euparkeria “Parker’s good animals

Genus pronounced: You-par-kare-ree-ah

Species: E.‭ ‬capensis (type)

Named by: Robert Broom‭ ‬-‭ ‬1913

Classification: Family: Euparkeriidae

Time: Early Triassic (Olenekian)

Locality: South Africa

Size: 60 centimeters long

Diet: Carnivore

 

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Clade: Eucrocopoda – Clade: Crurotarsi – Clade: Archosauria – Clade: Pseudosuchia – Clade: Suchia – Clade: Paracrocodylomorpha – Clade: Loricata – Informal group: Rauisuchia

(Rauisuchids)

Early Triassic to Late Triassic

 

Genus: Postosuchus “Crocodile from Post

Genus pronounced: P‬oest-oh-sook-us

Species: P.‭ ‬kirkpatricki (type),‭ ‬P.‭ ‬alisonae

Named by: Sankar Chatterjee‭ ‬-‭ ‬1985

Classification: Family: Rausisuchidae

Time: Late Triassic (Carnian to Norian)

Locality: Arizona,‭ ‬New Mexico,‭ ‬North Carolina and Texas; USA

Size: 4 to 5 meters long

Diet: Carnivore

 

Genus: Prestosuchus “fast crocodile

Genus pronounced: P‬ress-oh-soo-kus

Species: P.‭ ‬chiniquensis‭ (type)

Named by: Friedrich von Huene‭ ‬-‭ ‬1942

Classification: Family: Prestosuchidae

Time: Middle Triassic (Ladinian)

Locality: Brazil – Santa Maria Formation

Size: 5 meters long

Diet: Carnivore

 

Genus: Ornithosuchus “bird crocodile

Genus pronounced: Or-nif-oh-soo-kus

Species: O.‭ woodwardi‭ (type)

Named by:Thomas Henry Huxley‭ ‬-‭ ‬1877

Classification: Family: Ornithosuchidae

Time: Late Triassic (Carnian)

Locality: Scotland

Size: 2.2 meters long

Diet: Carnivore

 

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Clade: Eucrocopoda – Clade: Crurotarsi – Clade: Archosauria – Clade: Pseudosuchia – Clade: Suchia – Clade: Paracrocodylomorpha – Clade: Loricata – Order: Phytosauria – Family: Phytosauridae

(Phytosaurs)

Middle Triassic to Late Triassic

 

Genus: Rutiodon “wrinkled tooth

Genus pronounced: Roo-tee-oh-don

Species: R.‭ ‬manhattanensis‭ (‬type‭)‬.‭‬R.‭ ‬carolinensis

Named by: Ebenezer Emmons‭ ‬-‭ ‬1856

Classification: Family: Phytosauridae

Time: Late Triassic

Locality: Germany,‭ ‬Mexico,‭ ‬Switzerland,‭ ‬USA‭ ‬-‭ ‬Arizona,‭ ‬New Jersey,‭ ‬New Mexico,‭ ‬New York,‭ ‬North Carolina,‭ ‬Pennsylvania and Texas.

Size: 3 to 8 meters long

Diet: Carnivore

 

Click here to see my Phytosaur fossils click here.

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Clade: Eucrocopoda – Clade: Crurotarsi – Clade: Archosauria – Clade: Pseudosuchia – Clade: Suchia – Clade: Paracrocodylomorpha – Clade: Loricata – Order: Aetosauria

(Aetosaurs)

Late Triassic

 

Genus: Desmatosuchus “link crocodile

Genus pronounced: Dez-mat-oh-soo-kus

Species: D.‭ ‬spurensis‭ (‬type‭)‬,‭ ‬D.‭ ‬haplocerus,‭ ‬D.‭ ‬smalli.‭

Named by: Case – 1920

Classification: Family: Stagonolepididae, Subfamily: Desmatosuchinae

Time: Late Triassic

Locality: Texas

Size: 4.5 to 5 meters long

Diet: Herbivore

 

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Clade: Eucrocopoda – Clade: Crurotarsi – Clade: Archosauria – Clade: Pseudosuchia – Clade: Suchia – Clade: Paracrocodylomorpha – Clade: Loricata – Superorder: Crocodylomorpha – Clade: Crocodyliformes – Family: Protosuchidae

(early crocodiles)

Late Triassic (Norian) to Early Cretaceous (Albian)

 

Genus: Protosuchus  first crocodile

Genus pronounced: Pro-toe-soo-kus

Species: P.‭ ‬richardsoni‭(‬type‭)‬,‭ ‬P.‭ ‬haughtoni,‭ ‬P.‭ ‬micmac

Named by: Barnum Brown‭ ‬-‭ ‬1934

Classification: Suborder: Crocodylomorpha, Family: Protosuchidae

Time: Early Jurassic

Locality: Canada‭ ‬-‭ ‬Nova Scotia.‭ ‬USA‭ ‬-‭ ‬Arizona.‭ ‬South Africa

Size: 1 meters long

Diet: Carnivore

 

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Clade: Eucrocopoda – Clade: Crurotarsi – Clade: Archosauria – Clade: Pseudosuchia – Clade: Suchia – Clade: Paracrocodylomorpha – Clade: Loricata – Superorder: Crocodylomorpha – Clade: Crocodyliformes – Clade: Mesoeucrocodyl – Suborder: Thalattosuchia

(marine crocodiles)

Middle Jurassic to Early Cretaceous

 

Genus: Plesiosuchus  “near crocodile”

Genus pronounced: Ples-e-oh-soo-kus

Species: P.‭ ‬manselii‭(‬type‭)

Named by: Richard Owen‭ ‬-‭ ‬1884

Classification: Suborder: Thalattosuchia, Family: Metriorhynchidae, Subfamily: Geosaurinae

Time: Late Jurassic (Kimmeridgian to Tithonian)

Locality: England‭ ‬-‭ ‬Kimmeridge Clay Formation

Size: 5.2 to 6.83 meters long

Diet: Carnivore

 

Genus: Metriorhynchus  moderate snout

Genus pronounced: Met-ree-oh-rink-us

Species: M. brevirostris(‬type‭)

Named by: Christian Erich Hermann von Meyer‭ ‬-‭ ‬1830

Classification: Suborder: Thalattosuchia, Family: Metriorhynchidae

Time: Jurassic (Callovian through to Kimmeridgian)

Locality: Europe

Size: 3 meters long

Diet: Carnivore

 

Genus: Dakosaurus “tearing lizard/biter lizard”

Genus pronounced: Dack-oh-sore-us

Species:D.‭ ‬maximus‭ (‬type‭)‬,‭ ‬D.‭ ‬andiniensis

Named by:Friedrich August von Quenstedt‭ ‬-‭ ‬1856

Classification: Suborder: Thalattosuchia, Family: Metriorhynchidae, Subfamily: Geosaurinae

Time: Jurassic (Oxfordian) to Early Cretaceous (Berriasian)

Locality: Europe,‭ ‬North America,‭ ‬South America,‭ ‬Russia

Size: 4 to 5 meters long

Diet: Carnivore

 

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Clade: Eucrocopoda – Clade: Crurotarsi – Clade: Archosauria – Clade: Pseudosuchia – Clade: Suchia – Clade: Paracrocodylomorpha – Clade: Loricata – Superorder: Crocodylomorpha – Clade: Crocodyliformes – Clade: Mesoeucrocodylia – Clade: Metasuchia – Clade: Ziphosuchia – Suborder: Notosuchia

(Gondwanan crocodylomorphs)

Middle Jurassic to Late Cretaceous

 

Genus: Kaprosuchus‭ boar crocodile

Genus pronounced: Kap-roe-soo-kuss

Species: K.‭ saharicus‭ (‬type‭)

Named by: Paul Sereno‭ & ‬Hans Larsson‭ ‬-‭ ‬2009

Classification: Suborder: Notosuchia, Family: Mahajangasuchidae

Time: Early Cretaceous (Cenomanian)

Locality:  Africa,‭ ‬Niger,‭ ‬Echkar Formation

Size: 3.3 meters long

Diet: Carnivore

 

Genus: Montealtosuchus “crocodile from Monte Alto municipality

Genus pronounced: Mon-te-al-to-oh-soo-kus

Species: M.‭ arrudacamposi‭ (‬type‭)

Named by: Carvalho – 2007

Classification: Suborder: Notosuchia, Family: Peirosauridae

Time: Late Cretaceous (Campanian to Maastrichtian)

Locality: Brazil – Adamantina Formartion

Size: 2 meters long

Diet: Carnivore

 

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Order: Choristodera – Suborder: Nechoristodera

(choristodera)

Middle Jurassic to Miocene

 

Genus: Champsosaurus  crocodile lizard

Genus pronounced: Champ-so-sore-us

Species: C.‭ ‬albertensis,‭ ‬C.‭ ‬australis,‭ ‬C.‭ ‬gigas,‭ ‬C.‭ ‬laramiensis,‭ ‬C.‭ ‬lindoei,‭ ‬C.‭ ‬lindoei,‭ ‬C.‭ ‬natator,‭ ‬C.‭ ‬tenuis

Named by: Edward Drinker Cope‭ ‬-‭ ‬1877

Classification: Order: Choristodera, Family: Champsosauridae

Time: Cretaceous (Turonian) to Paleocene (Thanetian)

Locality: Canada and USA

Size: 1.5 to 3.5 meters long

Diet: Carnivore/Piscivore

 

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Clade: Eucrocopoda – Clade: Crurotarsi – Clade: Archosauria – Clade: Pseudosuchia – Clade: Suchia – Clade: Paracrocodylomorpha – Clade: Loricata – Superorder: Crocodylomorpha – Clade: Crocodyliformes – Clade: Mesoeucrocodylia – Clade: Metasuchia – Clade: Neosuchia – Clade: Eusuchia – Order: Crocodylia

(modern crocodiles)

Late Cretaceous to Holocene

 

Genus: Pristichampsus  saw crocodile

Genus pronounced: Priss-tee-champ-sus

Species: P.‭ ‬rollinatii‭ (‬type‭)‬,‭‬P.‭ ‬geiseltalensis,‭ ‬P.‭ ‬vorax

Named by: Gervais‭ – ‬1853

Classification: Order: Crocodylia, Family: Pristichampidae

Time: Eocene

Locality:  Eurasia and North America

Size: 3 meters long

Diet: Carnivore

 

Genus: Sarcosuchus‭  flesh crocodile

Genus pronounced: Sar-ko-su-kus

Species: S.‭ ‬imperator‭ (‬type‭), S. hartti

Named by: France de Broin‭ & ‬Phillipe Taquet‭ ‬1966‭‬

Classification: Order: Crocodylia, Family: Pholidosauridae

Time: Early Cretaceous (Hauterivian to Albian)

Locality:  Eurasia and North America

Size: 9 to 11 meters long

Diet: Carnivore

 

Genus: Deinosuchus‭  terrible crocodile

Genus pronounced: Dy-no-su-kus

Species:D. hatcheri (type), D. rugosus, D. riograndensis, D. schwimmeri

Named by: William Jacob Holland ‬- 1909

Classification: Order: Crocodylia, Family: Alligatoridea

Time: Late Cretaceous (Campanian)

Locality:  Mexico and USA

Size: 10 to 12 meters long

Diet: Carnivore

 

Genus and species: Crocodylus porosus

Common Name: Saltwater crocodile

Named by: Schneider – 1801

Classification: Order: Crocodilia, Family: Crocodylidae

Time: Pliocene to Holocene

Locality:  Southeat Asia, Micronesia, and Sundaic region to northern Australia

Size: Males 6 m (20 ft), Femailes 3 m (10 ft)

Diet: Carnivore

 

Genus and species: Alligator mississippiensis

Common Name: American alligator

Named by: Daudin – 1802

Classification: Order: Crocodilia, Family: Alligatoridae, Subfamily: Alligatorinae

Time: Miocene to Holocene

Locality:  Southeast United States/Gulf Coast

Size: Males 3.4 to 4.8 m (11.2 to 15.7 ft), Femailes 2.6 to 3 m (8.5 to 9.8 ft)

Diet: Carnivore

 

Genus and species: Gavialis gangeticus

Common Name: Gharial

Named by: Schneider – 1801

Classification: Order: Crocodilia, Family: Gavialidae

Time: Pleisocene to Holocene

Locality:  India, Pakistan, Bangladesh, and Myanmar

Size: Males 3 to 6 m (9 ft 10 in to 19 ft 8 in), Femailes 2.6 to 4.5 m (8 ft 6 in to 14 ft 9in)

Diet: Carnivore

 

Click here to see my Crocodile fossils click here.

Kingdom: Animalia – Phylum: Chordata – Superclass: Tetrapoda – Class: Reptilia – Clade: Diapsids – Clade: Archosauromorpha – Clade: Crocopoda – Clade: Archosauriformes – Clade: Sauropsida – Clade: Avemetatarsalia (Ornithodira)

(pterosaurs, avian dinosaurs, and nonavian dinosaurs)

Early Triassic to Holocene

 

These groups are classified under Archosaurmorphs too, but each has their own page:

 

Dinosaurs

Non Avian Dinosaurs

Birds

Avian Dinosaurs

Pterosaurs

Flying Reptiles

The video below is from my YouTube Jurassic James 65:

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