Search results
Results from the WOW.Com Content Network
Pleurotomariidae, common name the "slit snails", is a family of large marine gastropods in the superfamily Pleurotomarioidea of the subclass Vetigastropoda. [1] This family is a very ancient lineage; there were numerous species in the geological past. The genus includes several hundred fossil forms, mostly Paleozoic.
Fossils of this extinct land snail species are known only from the Late Pliocene/Waipipian (~3.6–3.0 Ma) MÄngere Shellbed, located approximately 30 m below the suburb of Mangere, Auckland. [ 1 ] [ 3 ] It is currently regarded as one of the two oldest known flax snails species represented in the fossil record, along with a single specimen of ...
This list of marine gastropod genera in the fossil record is an attempt to list all the genera of sea snails or marine gastropod mollusks which have been found in the fossil record. Nearly all of these are genera of shelled forms, since it is relatively rare for gastropods without a shell ( sea slugs ) to leave any recognizable traces.
Anomphalus jaggerius is an extinct species of Permian sea snail. Fossils have been found in Artinskian era limestone from the Bird Spring Formation in the southern Arrow Canyon Range of the US State of Nevada. The species, which had a shell 6.37 millimetres (0.251 in) wide, was a subtidal epifaunal grazer. [1]
†Nerinea is an extinct genus of fossil sea snails, marine gastropod molluscs in the clade Heterobranchia. Fossil record
SAO JOAO DO POLESINE, Brazil (Reuters) -Scientists in Brazil announced the discovery of one of the world's oldest fossils believed to belong to an ancient reptile dating back some 237 million ...
It was listed as endangered by the United States in 1978. The main cause of the snail's decline is climate change, as it is restricted to patches of cold habitat in warmer surroundings. The snail is considered to be a relic of the ice age. About 75% of this snail’s original habitat has been destroyed since 1850. [5]
The fossil examined in the study, collected during a 2011 expedition by the Antarctic Peninsula Paleontology Project, was found encased in rock that dated back 68.4 to 69.2 million years and ...