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ROOM 04

The Permian World

Strange Bodies and the Great Dying
11 SPECIMENS · 2 INTERPRETIVE THREADS

Strange Bodies and the Great Dying.

Interpretive threads: Life Recycles · Great Dying

INTERPRETIVE THREADS
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Life Recycles

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Great Dying

SPECIMENS & EVIDENCE
Early synapsid. comparative_taxon_visual
ROOM 04

Early synapsid — Ophiacodon uniformis

Early Permian · Approximately 286 to 284 million years ago for the Smithsonian Deep Time specimen.
body fossil
comparative_taxon_visual
Early synapsid. comparative_taxon_visual
ROOM 04

Early synapsid — Dimetrodon grandis

Early Permian · Early Permian; Smithsonian specimens of Dimetrodon grandis come from Early Permian rocks of Texas.
composite
comparative_taxon_visual
Gorgonopsian synapsid. comparative_taxon_visual
ROOM 04

Gorgonopsian synapsid — Cyonosaurus longiceps

Late Permian · Late Permian, Cistecephalus assemblage-zone context for the Smithsonian specimen.
skull
comparative_taxon_visual
Dicynodont synapsid. comparative_taxon_visual
ROOM 04

Dicynodont synapsid — Diictodon feliceps

Late Permian · Late Permian.
skull
comparative_taxon_visual
Dicynodont synapsid. comparative_taxon_visual
ROOM 04

Dicynodont synapsid — Oudenodon bainii

Late Permian · Late Permian; Smithsonian material includes specimens from the Cistecephalus assemblage-zone interval.
skull
comparative_taxon_visual
Therocephalian synapsid. comparative_taxon_visual
ROOM 04

Therocephalian synapsid — Proalopecopsis haughtoni

Late Permian · Late Permian.
skull
comparative_taxon_visual
Seed plant. comparative_taxon_visual
ROOM 04

Seed plant — Glossopteris sp.

Permian · Permian. Glossopteris fossils from Gondwana span much of the period; this genus-level exhibit specimen is not given a more precise age here.
leaves
comparative_taxon_visual
Pareiasaur reptile. Representative evidence-type visual; not the exact specimen.
ROOM 04

Pareiasaur reptile — Bradysaurus sp.

Middle Permian — Capitanian · Middle Permian, within the Tapinocephalus Assemblage Zone.
skull
Representative evidence-type visual; not the exact specimen.
Dicynodont synapsid. Representative evidence-type visual; not the exact specimen.
ROOM 04

Dicynodont synapsid — Platypodosaurus robustus

Late Permian · Late Permian — Daptocephalus assemblage-zone context.
mounted skeleton
Representative evidence-type visual; not the exact specimen.
Gigantopterid seed plant. Representative evidence-type visual; not the exact specimen.
ROOM 04

Gigantopterid seed plant — Evolsonia sp.

Early Permian — late Leonardian · Early Permian.
leaf fossil
Representative evidence-type visual; not the exact specimen.
Gigantopterid seed plant. Representative evidence-type visual; not the exact specimen.
ROOM 04

Gigantopterid seed plant — Auritifolia waggoneri

Early Permian — Cisuralian · Early Permian; Auritifolia waggoneri occurs in the Clear Fork Formation of Texas.
leaf / compound frond
Representative evidence-type visual; not the exact specimen.