-
obsolete nomenclature †Spinocyrtia
granulosa †
Spinulicosta †
Spinulicosta mutocosta †
Spinulicosta spinulicosta †Spinyplatyceras †Spinyplatyceras bartlettense...
-
Semicoscinium colombiensis, S. minutum,
Spinocyrtia cf. valenteana,
Spinulicosta spinulicosta,
Spirifer kingi,
Strophonella floweri, S. meridionalis, Sulcoretepora...
- †Spinocyrtia †Spinocyrtia
euryteines †Spinozonotriletes †
Spinulicosta †
Spinulicosta spinulicosta †Spinyplatyceras †Spinyplatyceras
milleri †Spirifer †Spirifer...
-
macbridei †Spinocyrtia
pulchra †Spinocyrtia
westerensis †
Spinulicosta †
Spinulicosta spinulicosta †Spirifer †Spirifer
biplicoides †Spirifer
forbesi †Spirifer...
-
nacrea Protoleptostrophia P.
perplana Rhipidomella R.
variabilis Schizophoria S.
folevi Spinulicosta S.
spinulicosta Stropheodonta S. sp. aff. demissa...
-
belonging to the
family Retariidae. The type
species is "Antiquatonia"
spinulicosta Roberts (1976).
Calandisa Gen. et sp. nov
Valid Waterhouse & Campbell...
-
girtyi †Spinocyrtia
granulosa †Spinocyrtia
macbridei †
Spinulicosta †
Spinulicosta spinulicosta †Spirifer †Spirifer
disjunctus †Spirifer
varicosa †Spongophylloides...
-
Semicoscinium colombiensis, S. minutum,
Spinocyrtia cf. valenteana,
Spinulicosta spinulicosta,
Spirifer kingi,
Strophonella floweri, S. meridionalis, Sulcoretepora...
- †Spinozonotriletes
naumovii – or
unidentified comparable form †
Spinulicosta †
Spinulicosta spinulicosta †Spinulocosta †Spinulocosta
spinulocosta †Spinyplatyceras...
- Formation. S. sp. Four Mile Dam,
Thunder Bay River,
Alpena County, Michigan.
Spinulicosta S.
mutocosta Four Mile Dam,
Thunder Bay River,
Alpena County, Michigan...
