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Crassispira (Crassispira) semicolon

Gastropoda - Pseudomelaniidae

Taxonomy
Pleurotoma semicolon was named by Sowerby (1816) [DISTRIBUTION: Eocene; western Europe.]. It is not a trace fossil.

It was recombined as Crassispira semicolon by Tracey et al (1995); it was recombined as Crassispira (Crassispira) semicolon by Pacaud and Le Renard (1995).

Synonymy list
YearName and author
1816Pleurotoma semicolon Sowerby figs. pl. 146, fig. 6
1848Pleurotoma semicolon Wood p. 54
1995Crassispira (Crassispira) semicolon Pacaud and Le Renard
1995Crassispira semicolon Tracey et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassCaenogastropoda(Cox 1959)
superfamilyPseudomelanoideaFischer 1885
familyPseudomelaniidaeCossmann 1909
genusCrassispiraSwainson 1840
subgenusCrassispiraSwainson 1840
speciessemicolon(Sowerby 1816)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

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Diagnosis
No diagnoses are available