Synapsid Collection

Fossilised skeleton of Diictodon, mammal-like reptile (therapsid) from late Permian times
ASW-4586 Fossilised skeleton of Diictodon - mammal-like reptile (therapsid) from late Permian times Karoo National Park, Beaufort West, Western Cape, South Africa Diictodon sp

Reconstruction of extinct synapsid dinosaur Dimetrodon
Reconstruction of an extinct synapsid dinosaur Dimetrodon, Cisuralian (Early Permian), North America, 3m. Illustration by Hugo Wolff-Maage from Wilhelm Bolsches Das Leben der Urwelt

Reconstruction of extinct giant dinosaur Brachisaurus, North America and East Africa, Cretaceous. Illustration from Wilhelm Bolsches Das Leben der Urwelt, Prehistoric Life, Georg Dollheimer, Leipzig

An Inostrancevia attacks a Scutosaurus
An Inostrancevia alexandri attacks a Scutosaurus karpinski in prehistoric times

Inostrancevia is a carnivorous reptile that lived during the Permian age of Russia

Dimetrodon, computer artwork. Like humans, the predatory synapsid Dimetrodon (meaning two-measure tooth ) had two kinds of teeth that enabled it to both pierce and chew

Edaphosaurus pogonias, a prehistoric animal from the Paleozoic Era

Postosuchus attacking a dicynodont in a Triassic forest 228 million years ago. Postosuchus is a rausuchian that grew 13-16 feet and lived alongside the earliest dinosaurs

A Tiarajudens eccentricus from the Paleozoic era
Illustration of a Tiarajudens eccentricus from the Paleozoic era

Kannemeyeria is a large dicynodont from the Middle Triassic period
Kannemeyeria simocephalus is a large dicynodont from the Middle Triassic of South Africa

Two male livyatan whales fighting for the right to mate

Inostrancevia carnivorous reptile from the Permian Period
Inostrancevia was a carnivorous reptile that lived during the Permian Period of Russia

Cotylorhynchus bransoni, a prehistoric animal from the Paleozoic Era

Permian animals, artwork
Permian animals. Computer artwork of bear-sized predatory Inostrancevia sp. gorgonopsians attacking the herbivorous reptile Scutosaurus during the Permian period (around 300-250 million years ago)

Dimetrodon, extinct predatory synapsid genus of the Permian.. Colour printed (chromolithograph) illustration by F. John from Tiere der Urwelt Animals of the Prehistoric World, 1910, Hamburg

Dimetrodon dollovianus, predatory synapsid from the Permian.. Colour printed (chromolithograph) illustration by F. John from Tiere der Urwelt Animals of the Prehistoric World, 1910, Hamburg

Geikia elginensis, extinct synapsid, and Sclerosaurus armatus, extinct sauropsid.. Colour printed (chromolithograph) illustration by F

Illustration of a synapsid pre-historic mammal

A sea lion in Cabo Pulmo, Mexico
A sea lion (Otariidae) in Cabo Pulmo, Mexico

A Dimetrodon amongst Alethopteris ferns
Dimetrodon was the apex predator of its time. They came as large as 11 feet long, 4 feet tall, and weighing as much as 300 pounds

Dimetrodon reptile from the Permian period
Dimetrodon was a carnivorous mammal-like reptile which lived during the Permian period of North America and Europe

Lystrosaurus, a therapsid from the Permian and Triassic period
Lystrosaurus, a dicynodont therapsid from the Late Permian and Early Triassic period

Inostrancevia moving in on a kill made by a Doliosauriscus
A large Inostrancevia moving in on a kill made by a Doliosauriscus in Russia about 260 million years ago during the Permian period

A Suminia getmanovi in a prehistoric environment
Illustration of a Suminia getmanovi in a prehistoric environment

Cotylorhynchus, a large synapsid of the Early Permian period

Dimetrodon reptile on white background. Dimetrodon was a mammal-like sailback reptile that lived in the Permian Period of North America and Europe

Illustration of a Moschowhaitsia vjuschkovi from prehistoric times

Dimetrodon was an extinct genus of synapsid from th Early Permian period
Dimetrodon was an extinct genus of synapsid that lived during the Early Permian, around 295a'272 million years ago

Large mammoth walking slowly on the snowy mountain against the wind

A sail-backed Dimetrodon from Earths Permian period of time

Woolly Mammoth, white background
3-D rendering of a Woolly Mammoth, white background

Dicynodon trautscholdi, a prehistoric animal from the Paleozoic Era

Mammoths walking slowly on the snowy mountain against the wind
Two large mammoths walking slowly on the snowy mountain against the wind

An Inostrancevia eating the flesh of a dead Scutosaurus

3D rendering of a Dimetrodon dinosaur, side view

Anancus arvernensis, Proboscidea, Pleistocene epoch of Europe

Two large mammoths walking slowly on the snowy mountain

Cotylorhynchus on the shore

Cotylorhynchus confrontation on the waters edge

Illustration of a Nikkasaurus tatarinovi from prehistoric times

A group of sail-backed Dimetrodons during Earths Permian period
A group of sail-backed carnivorous Dimetrodons during Earths Permian period

Large mammoth, white background

Eomanis waldi is a pangolin from the Eocene epoch of Germany

Keratocephalus, a semi-aquatic dinosaur from the Permian Age
Keratocephalus was a semi-aquatic herbivore dinosaur that lived during the Permian Age in Africa

Archaeothyris is a synapsid from the Late Carboniferous Period of Canada
Archaeothyris florensis is an extinct synapsid from the Late Carboniferous Period of Canada

Herrerasaurus, an early dinosaur, attacks a dicynodont

Two giant Moschops face off on a sandstone mesa 250 million years ago in what is today the Karoo region of South Africa. Moschops was not a dinosaur, rather it was a mammal-like reptile that

Lystrosaurus in a grassy field

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Synapsids, also known as mammal-like reptiles or therapsids, were a diverse group of creatures that roamed the Earth during the late Permian times. Fossilized skeletons like that of Diictodon provide us with glimpses into their fascinating lives. These small creatures most likely fed on roots and tubers, which they skillfully dug up using their strong clawed hands. Some synapsids took on more formidable forms, such as the extinct dinosaur Dimetrodon. This fearsome predator is often depicted in reconstructions with its sail-like fin protruding from its back. It ruled the Permian period and was undoubtedly a force to be reckoned with. Not all synapsids were carnivorous predators though; some opted for a herbivorous lifestyle instead. The giant dinosaur Brachiosaurus falls under this category, towering over other creatures of its time with its long neck and massive body. One cannot discuss synapsids without mentioning Dimetrodon dollovianus - an extinct predatory genus from the Permian era. Its sharp teeth and powerful jaws made it an efficient hunter in its environment. Other notable members of this group include Geikia elginensis and Sclerosaurus, both now extinct but leaving behind intriguing fossils for scientists to study. Inostrancevia was another fierce predator that thrived during the Permian age; it would attack unsuspecting Scutosaurus in epic battles for survival. Thanks to computer artwork, we can visualize these ancient beings like never before. Detailed illustrations bring Dimetrodon back to life, showcasing its unique features and giving us a glimpse into what it might have looked like millions of years ago. Edaphosaurus pogonias takes us even further back in time to the Paleozoic Era when these prehistoric animals roamed our planet's landscapes. Their peculiar appearance makes them stand out among other species from that era.