GSC 69491 Amadjuak Lake, Baffin Island (Ordovician to of Canada)

Where: Nunavut, Canada (65.7° N, 71.9° W: paleocoordinates 8.6° S, 40.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Blackriveran to Blackriveran (457.3 - 449.6 Ma)

• equivalent strata to Bad Cache Rapids Formation, Wilderness-Barneveld age

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: J. K. Rigby. 1977. Two new Middle Ordovician sponges from Foxe Plain, southeastern District of Franklin. Geological Survey of Canada Bulletin 269:121-129 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120922: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Heteractinida
 Octactinellida - Astraeospongiidae
Demospongiae
 Lithistida - Anthaspidellidae
Incrassospongia rhipidos n. gen. n. sp.
Incrassospongia rhipidos n. gen. n. sp. Rigby 1977 demosponge