2024年11月11日 · 11-15 - Worn shark teeth, likely odontaspidid 16 - Likely geological, but could be a particularly worn crocodile tooth. 17 and 21 - Look fossiliferous. Heterodontus cf. lerichei? …

2024年11月10日 · I found this along the Shark River in New Jersey - is it a very worn shark tooth (no enamel) or merely a suggestive rock? It even has what resembles a cusplet on one side. …

2014年7月20日 · Shark vertebrae tend to be preserved as just the centrum (the hockey puck-like disk) with two openings on top and two on the bottom where the hemal and neural arches …

2024年12月12日 · Hi everyone, my first post is to ask the community for help in identifying this tooth's species. The rough area where it was found is highlighted in the red circle in the map …

2024年11月11日 · The only one I can identify with any conviction is Sphyrna tiburo (the Bonnethead Shark) the smallest of the genus. They have very characteristic lower anterior …

2020年8月2日 · Bull shark (Carcharhinus leucas): Dusky shark (Carcharhinus obscurus): With respect to 3, the ranges of the two extant lemon shark species (see below from Ebert 2013) …

2013年2月28日 · Shark teeth lying on the ground and just eroding out of the sandstone. I found some really nice oyster shells, few snails and mixed in were a few pieces of bone and other …

2024年7月19日 · The shark teeth from Bakersfield are quite special. thank you! oftentimes when i pull colorful teeth out of the ground, it's hard to tell how they end up looking after oxidizing over …

2007年12月20日 · This thread has helped me focus on a bit of shark ancestry that has always seemed confusing and remote from my collecting experience here in Florida. If I were …

2014年2月14日 · (9 & 10) Ptychodus sp. - crusher shark. 11) (11) Ptychotrygon triangularis - sawfish. 12) (12) Enchodus ferox - saber-toothed herring. 13) (13) Gastropod sp. 14) (14) …