Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Aegides

- Maikhanellidae

Taxonomy
Aegides is a genus. It is not extant. Its type is Aegides seperbes.

It was assigned to Helcionellidae by Missarzhevsky (1989); to Mollusca by Sepkoski (2002); and to Maikhanellidae by Ponder et al. (2007) and Parkhaev and Demidenko (2010).

Synonymy list
YearName and author
1989Aegides Missarzhevsky p. 173
2002Aegides Sepkoski, Jr.
2007Aegides Ponder et al. p. 136
2010Aegides Parkhaev and Demidenko p. 1003

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
RankNameAuthor
Schizocoela
phylumMollusca
familyMaikhanellidae
genusAegides

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
P. Y. Parkhaev and Y. Demidenko 2010"Shell cap-shaped, low conical, moderately elongated. Apex slightly hooked and displaced anteriorly. Posterior field convex in apical area, becoming flattened near aperture. Anterior field straight, sometimes becomes concave due to train formation. Lateral fields flattened or slightly convex. Aperture oval or rounded rectangular, sometimes with flaring anterior part, forming wide train. Shell exterior granular, more distinctly near apertural margin and smoothing out towards apex."