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Spirostylus contractus

Gastropoda - Murchisoniina - Spirostylidae

Taxonomy
Spirostylus contractus was named by Kittl (1894). Its type specimen is NHMW 1899/VI/97 and is a 3D body fossil. Its type locality is Seelandalpe (Wiener Hofsmuseums coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.

Sister species lacking formal opinion data
S. subcolumnaria, S. subulitoides

Synonymy list
YearName and author
1894Spirostylus contractus Kittl p. 197 figs. Pl 8, fig 29

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassOrthogastropoda
orderMurchisoniina
superfamilyLoxonematoidea(Koken 1889)
familySpirostylidaeCossmann 1909
genusSpirostylus
speciescontractus

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.

†Spirostylus contractus Kittl 1894
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Diagnosis
No diagnoses are available