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Calstevenus arcturus

Scaphopoda - Gadilida - Gadilidae

Taxonomy
Calstevenus arcturus was named by Yancey (1973). Its type specimen is USNM 179130, a shell, and it is a mold. Its type locality is CHS 1J-2, Buck Mountain Section, which is in an Artinskian marine horizon in the Riepetown Formation of Nevada. It is the type species of Calstevenus.

Synonymy list
YearName and author
1973Calstevenus arcturus Yancey p. 1063 figs. 1a-f
1978Calstevenus arcturus Yancey p. 310 figs. Pl 6, figs 12-14

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classScaphopodaBronn 1862
orderGadilidaStarobogatov 1982
suborderGadilimorphaSteiner 1992
familyGadilidaeStoliczka 1868
genusCalstevenus
speciesarcturus

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.

†Calstevenus arcturus Yancey 1973
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Diagnosis
No diagnoses are available