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Metorthonema distortum

Gastropoda - Orthonematidae

Taxonomy
Metorthonema distortum was named by Erwin (1988). Its type specimen is USNM 400666, a shell, and it is not a trace fossil. Its type locality is USNM712c, Tularosa Valley, Orogrande, which is in an Artinskian shallow subtidal limestone in the Hueco Formation of New Mexico.

Synonymy list
YearName and author
1988Metorthonema distortum Erwin pp. 570 - 571 figs. 1.28 - 1.30

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassCaenogastropoda(Cox 1959)
superfamilyOrthonematoideaNützel and Bandel 2000
familyOrthonematidae()
genusMetorthonema
speciesdistortum

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.

†Metorthonema distortum Erwin 1988
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Diagnosis
No diagnoses are available