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Spiroecus

Gastropoda - Murchisoniina - Loxonematidae

Taxonomy
Stephanocosmia (Spiroecus) was named by Longstaff (1924) [Sepkoski's age data: O Ashg-m]. It is not extant. Its type is Spiroecus girvanensis.

It was reranked as Spiroecus by Knight et al. (1960), Sepkoski (2002) and Wagner (2017).

It was assigned to Stephanocosmia by Longstaff (1924); to Loxonematidae by Knight et al. (1960); to Neotaenioglossa by Sepkoski (2002); and to Omospirinae by Wagner (2017).

Synonyms
Synonymy list
YearName and author
1924Stephanocosmia (Spiroecus) Longstaff
1924Katospira (Girvania) Longstaff p. 430
1960Girvania Knight et al. p. 311
1960Spiroecus Knight et al. p. 311
2002Girvania Sepkoski, Jr.
2002Spiroecus Sepkoski, Jr.
2017Spiroecus Wagner p. G379

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassOrthogastropoda
orderMurchisoniina
superfamilyLoxonematoidea(Koken 1889)
familyLoxonematidae
subfamilyOmospirinae
genusSpiroecus()

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
No diagnoses are available