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Oostrombus

Gastropoda - Thersiteidae

Taxonomy
Oostrombus was named by Sacco (1893) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 1074]. It is extant.

It was reranked as Strombus (Oostrombus) by Clark and Durham (1946); it was reranked as Canarium (Oostrombus) by Karagiuleva (1964).

It was assigned to Strombus by Clark and Durham (1946); to Canarium by Karagiuleva (1964); to Neotaenioglossa by Sepkoski (2002); to Strombidae by Harzhauser (2004); and to Thersiteidae by Bandel (2007).

Synonymy list
YearName and author
1893Oostrombus Sacco
1946Strombus (Oostrombus) Clark and Durham p. 32
1964Canarium (Oostrombus) Karagiuleva p. 170
2002Oostrombus Sepkoski, Jr.
2004Oostrombus Harzhauser p. 128
2007Oostrombus Bandel p. 140

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
superorderHypsogastropoda(Ponder and Lindberg 1997)
infraorderLittorinimorphaGolikov and Starobogtov 1975
superfamilyStromboidea(Rafinesque 1815)
familyThersiteidaeSavornin 1914
genusOostrombusSacco 1893

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.

Diagnosis
ReferenceDiagnosis
K. Bandel 2007The cone-shaped shell consists of about 9 whorls and is up to 19 mm high. It has a smooth body whorl and a wide outer lip without stromboid notch. The spire is pointed with shallow sutures and with ornament of coarse axial ribs crossed by fine spiral lines. Succeeding whorls conceal much of the former ones. At the shoulder the shell wall is thicker than at other parts of the shell (HARZHAUSER, 2004: pl. 11, figs. 1 & 2). The reason for that lies in the construction of the inner lip that consists of callus that is thickest in the posterior part of the aperture (COSSMANN, 1904: pl. 2, fig. 1; WENZ, 1938: fig. 2750).