Protosphyraena tooth
WebbThis Protosphyraena sp. tooth is 85 million years old, from the Niobrara Chalk Formation in Western Kansas. This tooth has been split vertically and has enamel preserved on one … Protosphyraena is a fossil genus of swordfish-like marine fish, that thrived worldwide during the Upper Cretaceous Period (Coniacian-Maastrichtian). Though fossil remains of this taxon have been found in both Europe and Asia, it is perhaps best known from the Smoky Hill Member of the Niobrara Chalk … Visa mer As is the case with many fossil vertebrates discovered by 19th century paleontologists, the taxonomy of Protosphyraena has had a confusing history. Fossil pectoral spines belonging to this taxon were first … Visa mer • Skull fossil • Holotype rostrum of Protosphyraena nitida (from Hay, 1903) • Holotype of Protosphyraena nitida (from Hay, 1903); portions of dentary, splenial, pectoral fin Visa mer In its general body plan, Protosphyraena resembled a modern sailfish, though it was smaller with a shorter rostrum, was somewhat less hydrodynamic, and adults possessed large … Visa mer • Protosphyraena: A Late Cretaceous "Swordfish" at the Oceans of Kansas website. Includes detailed taxonomic history, life … Visa mer
Protosphyraena tooth
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Webb30 juni 2024 · Protosphyraena were voracious predators, reaching up to 9 feet in length. They had a sail for their dorsal fin and a long swordfish nose, with lots of sharp, deadly … http://oceansofkansas.com/Bonnerichthys.html
WebbWikiZero Özgür Ansiklopedi - Wikipedia Okumanın En Kolay Yolu . Skull and pectoral fin fossils of Protosphyraena: Scientific classification; Kingdom: Webb30 juni 2024 · Protosphyraena were voracious predators, reaching up to 9 feet in length. They had a sail for their dorsal fin and a long swordfish nose, with lots of sharp, deadly teeth. They lived in the Cretaceous age, about 83 million years ago.
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WebbAll of these teeth are characterized by an unusual high and narrow cusp. The tooth set exhibits elements with different morphologies although they are clearly referable to a …
Webb16 juli 2024 · Could this be a very large Protosphyraena tooth? Maybe @John S. has seen something similar in his Cretaceous adventures. 1 Link to post Share on other sites. zekky Posted July 13, 2024. zekky. Regular ... Acro. teeth also contain very fine serrations on the distal edge and a bit more than 50% on the mesial edge. td pt bank negara indonesia (persero) tbkWebbThat was all well and good, except for the fact that more than a hundred years later, "Protosphyraena" gladius would turn out to be something other than a swordfish.According to Stewart (1988) the fins of this species have some distinct characteristics that may set it apart from other species of Protosphyraena.At the time, the skull of P. gladius was … tdp transdataplus gmbhWebb85.5k members in the fossilid community. Found a fossil? We probably can figure out what it is! For the paleontology lover that needs help with … tdp tidak berlakuWebbIn 1857, the fish was named Protosphyraena ferox by the renowned American naturalist and paleontologist, Joseph Leidy, based on Mantell's English finds. Earlier, Leidy had published an illustration of a Protosphyraena tooth from the Cretaceous-aged Navesink Formation of New Jersey (Maastrichtian), but mistakenly identified is as having come … tdpt montanaWebbProtosphyraena is a fossil genus of swordfish-like marine fish, that throve worldwide during the Upper Cretaceous Period (Coniacian-Maastrichtian). Though fossil remains of … td pt bank mega tbkhttp://oceansofkansas.com/Saurodon.html tdp tidak perlu diperpanjangWebbThe skull of Protosphyraena had a short, pointed snout, with flat, blade-like teeth jutting forward on both upper and lower jaws. The back part of the jaws has variously sized-and-shaped teeth. Protosphyraena is also noted … tdp trading