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Morphology Ecology and taphonomy   Age range and collections

Mathilda (Echinimathilda)

Gastropoda - Allogastropoda - Mathildidae

Synonymy list
YearName and author
1960Mathilda (Echinimathilda) Sohl
2002Echinimathilda Sepkoski, Jr.
2003Echinimathilda Groves and Nielsen p. 158
2013Echinimathilda Gründel and Nützel p. 820

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassHeterostropha
orderAllogastropodaHaszprunar 1985
superfamilyMathildoideaDall 1889
familyMathildidaeDall 1889
genusMathildaSemper 1865
subgenusEchinimathildaSohl 1960

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
L. T. Groves and S. N. Nielsen 2003Shell small to medium, turritelliform. Protoconch partly submerged and anastrophic. Teleoconch whorls shouldered and basally angulate, sides rounded. Sculpture of strong spiral cords and finer collabral riblets. Aperture semicircular to subovate. Columellar lip reflected.