The length of the shell attains 24.6 mm; its diameter 8.3 mm. It lived from roughly the Eocene period 47.8 - 41.3 million years ago, before having a last known appearance 3.60 - 2.59 million years ago, during the Cenozoic period.
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Distributionedit
Fossils have been found in Pliocene and Middle Eocene strata off Norfolk, Great Britain; also in the Paris Basin and the Loire Basin, France
Referencesedit
^Worldwide Mollusc Species Data Base: Crassispira semicolon
^J.-M. Pacaud and J. Le Renard. 1995. Révision des Mollusques Paléogénes du Bassin de Paris. IV - Liste systématique actualisée. Cossmanniana 3(4):155-187
G.B. Sowerby I (1812-1822), The mineral conchology of Great Britain 1-4 (1-66), 793 pp. pls. 1-383
Tracey, S. and Jonathan A. Todd. "Nomenclatural changes for some Bracklesham Group gastropods." Tertiary Research 16 (1996): 41-54.
External linksedit
Fossilworks : Crassispira semicolon
This Pseudomelatomidae-related article is a stub. You can help Wikipedia by expanding it.
crassispira, semicolon, extinct, species, carnivorous, snail, marine, gastropod, mollusk, family, pseudomelatomidae, turrids, allies, scientific, classificationdomain, eukaryotakingdom, animaliaphylum, molluscaclass, gastropodasubclass, caenogastropodaorder, n. Crassispira semicolon is an extinct species of carnivorous sea snail a marine gastropod mollusk in the family Pseudomelatomidae the turrids and allies 1 Crassispira semicolonScientific classificationDomain EukaryotaKingdom AnimaliaPhylum MolluscaClass GastropodaSubclass CaenogastropodaOrder NeogastropodaSuperfamily ConoideaFamily PseudomelatomidaeGenus CrassispiraSpecies C semicolonBinomial nameCrassispira semicolon Sowerby I 1816 Synonyms Crassispira Crassispira semicolon Sowerby I 1816 Drillia Crassispira inflexa Lamarck 1850 Pleurotoma inflexa Lamarck 1850 Pleurotoma semicolon Sowerby I 1816Subspecies Crassispira semicolon chameryensis de Boury 1899 synonym Pleurotoma chameryensis de Boury 1899 2 Contents 1 Description 2 Distribution 3 References 4 External linksDescription editThe length of the shell attains 24 6 mm its diameter 8 3 mm It lived from roughly the Eocene period 47 8 41 3 million years ago before having a last known appearance 3 60 2 59 million years ago during the Cenozoic period This section needs expansion You can help by adding to it July 2018 Distribution editFossils have been found in Pliocene and Middle Eocene strata off Norfolk Great Britain also in the Paris Basin and the Loire Basin FranceReferences edit Worldwide Mollusc Species Data Base Crassispira semicolon J M Pacaud and J Le Renard 1995 Revision des Mollusques Paleogenes du Bassin de Paris IV Liste systematique actualisee Cossmanniana 3 4 155 187 G B Sowerby I 1812 1822 The mineral conchology of Great Britain 1 4 1 66 793 pp pls 1 383 Tracey S and Jonathan A Todd Nomenclatural changes for some Bracklesham Group gastropods Tertiary Research 16 1996 41 54 External links editFossilworks Crassispira semicolon nbsp This Pseudomelatomidae related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Crassispira semicolon amp oldid 1177821222, wikipedia, wiki, book, books, library,
