2018年4月7日 · @Nimravis @KimTexan @bone2stoneWanted to pass on 2 interesting cephalopod sites you may not know about ...

2024年2月20日 · Members of the Fossil Forum have been very helpful with previous submissions. I would appreciate comments/suggestions concerning some nautiloid cephalopod fossils that I have. Image 1 is typical of the Ordovician nautiloid cephalopod fossils found in the Cincinnatian region. Given the bryozoan en...

2019年8月3日 · Orthoconic Nautiloid Cephalopod. Kingdom: Animalia Phylum: Mollusca Class: Cephalopoda Order: Pseudorthocerida Family: Spyroceratidae Genus: Reticycloceras Species: Reticycloceras sp. Big Snowy Group Heath Formation Bear Gulch Bed

2019年1月6日 · "Jaw and crop preserved in an orthoconic nautiloid cephalopod from the Bear Gulch Limestone (Mississippian, Montana)." Mapes, R. S. 1987. "Upper Paleozoic cephalopod mandibles: frequency of occurrence, modes of preservation, and paleoecological implications".

2024年11月9日 · Yes, this is a crushed orthocone nautiloid/cephalopod. Thank @Fossildude19 , that's what i thought, i'm not use to finding those, and the fact that it was crushed kind of thought me off a bit One fossil a day will keep you happy all day .

2024年9月30日 · But there it is. We were at the end of a rope climbing course in Portneuf county, Québec province, Canada; when we stumbled upon a well preserved tightly cyrtoconic nautiloid cephalopod. The fossil was found in the Middle Ordovician Deschambault limestone formation (Trenton Group), on a horizontal limestone bed by a small river.

2018年4月20日 · Is this a fragment of a nautiloid cephalopod? It is quite large. Found in a limestone quarry. Thanks!

2021年1月10日 · A paleozoic brevicone nautiloid is correct. Petoskey stones come from the Devonian Traverse Group in the Gravel Point Formation so this is likely Devonian although I don't know the extent of other formations in the area.

2019年7月27日 · Hi again! Two more ID requests - this time they're from the Bangor Limestone in Alabama, USA (Lower Carboniferous, Mississippian). Specimen #1: An orthoconic nautiloid - could it be Brachycycloceras sp.? Specimen #2: A blastoid - Pentremites sp.? Thanks for …

2021年5月30日 · Hello guys! Today I visited antother place between Montreal/ Laval, on the North shore of Montreal. Spectacular place, many fossils. But the mostly found is a nautiloid/ cephalopod. I've seen such speciments already, however on this place there were so many of them, can't compare it with other pl...