Locality PL1906, Poley Cow Fmn, Broken River Province, N Queensland (Silurian of Australia)

Where: Queensland, Australia (19.0° S, 145.0° E: paleocoordinates 17.6° N, 159.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Poley Cow Formation (Graveyard Creek Group), Telychian (438.5 - 433.4 Ma)

• Age of formation, based on conodonts, spans turriculatus-griestonensis and celloni zones (Telychian).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; siltstone and mudstone

• Fmn consits of up to 550m of feldspatholithic siltstones, mudstones and polymictic conglomerates

Primary reference: D. J. Holloway. 1994. Early Silurian trilobites from the Broken River area, north Queensland. Memoirs of the Museum of Victoria 54(2):243-269 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40018: authorized by Michael Foote, entered by Michael Foote on 14.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus of paper is trilobites. Other elements known, but evidently have not been worked up in detail.
 Corynexochida - Styginidae
Kosovopeltis sp. Snajdr 1958 trilobite
 Phacopida - Encrinuridae
Encrinuridae indet. Angelin 1854 trilobite
hypostomes and pygidium
Batocara fritillum n. sp. trilobite
Prostrix amnicola n. gen. n. sp. trilobite
 Phacopida - Calymenidae
? Gravicalymene vaccina n. sp. trilobite
 Phacopida - Cheiruridae
Youngia sp. Lindström 1885 trilobite
Sphaerexochus sp. Beyrich 1845 trilobite
Sphaerocoryphe sp. Angelin 1854 trilobite
 Proetida - Aulacopleuridae
Aulacopleuridae indet. Angelin 1854 trilobite
Maurotarion sp. Alberti 1969 trilobite
Otarion sp. Zenker 1833 trilobite
 Proetida - Brachymetopidae
Scharyia sp. Pribyl 1946 trilobite
 Proetida - Proetidae
? Warburgella sp. Reed 1931 trilobite
Proetus sp. Steininger 1831 trilobite
Proetus (s.l.)
 Lichida - Odontopleuridae
Gaotania bimusa n. sp. trilobite
Ceratocephala sp. Warder 1838 trilobite
Ostracoda indet. Latreille 1802 ostracod
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
Gastropoda indet. Cuvier 1797 snail
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
Crinoidea indet. Miller 1821 Sea lily
Brachiopoda indet. Cuvier 1805