Old Beach (Triassic of Australia)

Where: Tasmania, Australia (42.8° S, 147.3° E: paleocoordinates 75.9° S, 132.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Knocklofty Formation, Induan (252.2 - 251.2 Ma)

• Palynology and vertebrate biostratigraphy have been used to argue for an earliest Triassic age for the Knocklofty Formation (Cosgriff 1974; Camp & Banks 1978).

• bed-level stratigraphic resolution

Environment/lithology: "channel"; pebbly, muddy conglomerate

• "Bed of a small stream" (Cosgriff 1974)
• "Clay-pebble conglomerate"

Size class: macrofossils

Collected by JW Cosgriff in the 1960s

• UTGD: Geology Department, University of Tasmania, Hobart.

Primary reference: J. W. Cosgriff. 1974. Lower Triassic Temnospondyli of Tasmania. The Geological Society of America, Special Paper 149:1-134 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 136589: authorized by Richard Butler, entered by Richard Butler on 30.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Saurichthyiformes - Saurichthyidae
Saurichthys sp. Agassiz 1843
Osteichthyes
 Dipnoi - Ceratodontidae
Ceratodus sp. Agassiz 1838 lungfish
 Temnospondyli - Brachyopidae
"Blinasaurus townrowi n. sp." = Banksiops townrowi
"Blinasaurus townrowi n. sp." = Banksiops townrowi Cosgriff 1974 tetrapod
UTGD 87885, nearly complete skull (holotype). UTGD 87516, 87515, 87513, 87514, 87523
 Temnospondyli -
Watsonisuchus sp. Ochev 1966 tetrapod
skull roof fragments UTGD 95750, 95388 and 95699; palatal fragment UTGD 95385; and lower jaw fragments UTGD 95384, 95395 and 95677.
 Temnospondyli - Lydekkerinidae
Chomatobatrachus halei Cosgriff 1974 tetrapod
UTGD 87521, 87522
 Temnospondyli - Derwentiidae
Derwentia warreni n. gen. n. sp.
Derwentia warreni n. gen. n. sp. Cosgriff 1974 tetrapod
UTGD 87784, nearly complete skull (holotype). UTGD 88066