Cornwallis Island, Abbott River, CAR1, 44.5m (Silurian of Canada)

Where: Nunavut, Canada (75.3° N, 96.0° W: paleocoordinates 1.2° N, 30.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Neodiversograptus nilssoni graptolite zone, Cape Phillips Formation, Ludlow (427.4 - 423.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified limestone and lithified, calcareous shale

Size class: macrofossils

Primary reference: J. K. Rigby and B. D. E. Chatterton. 1989. Middle Silurian Ludlovian and Wenlockian sponges from Baillie-Hamilton and Cornwallis Islands, Arctic Canada. Geological Survey of Canada Bulletin 391:1-69 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119785: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Lithistida - Astylospongiidae
Astylospongiella striola Rigby and Chatterton 1989 demosponge
Astylospongia lutera n. sp. Rigby and Chatterton 1989 demosponge
 Lithistida - Streptosolenidae
Perissocoelia spinosa n. sp. Rigby and Chatterton 1989 demosponge
 Lithistida - Anthaspidellidae
Dunhillia fistulosa n. sp. Rigby and Chatterton 1989 demosponge
Dunhillia megaporata Rigby and Chatterton 1989 demosponge
Cauliculospongia solida n. gen. n. sp. Rigby and Chatterton 1989 demosponge
Archaeoscyphia minganensis Billings 1859 demosponge
Calycocoelia micropora n. sp. Rigby and Chatterton 1989 demosponge