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Purella

- Maikhanellidae

Synonyms
Synonymy list
YearName and author
1974Purella Missarzhevsky
1982Maikhanella Voronin et al.
1986Mirusilites He and Yang
1988Jinkenites Yu p. 304
1989Purella Missarzhevsky p. 174
1989Majkhanella Missarzhevsky p. 179
1990Purella Vassiljeva
1992Maikhanella Bengtson pp. 403 – 404
2001Purella Feng et al.
2001Maikhanella Feng et al. p. 206
2002Maikhanella Sepkoski, Jr.
2002Purella Sepkoski, Jr.
2007Maikhanella Ponder et al. p. 137
2007Purella Ponder et al. p. 137
2010Purella Parkhaev and Demidenko p. 994

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

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, elongated. Apex displaced anteriorly, sometimes up to level of anterior apertural margin. Posterior field convex, anterior field slightly concave below aperture, straight in other part. Lateral fields straight or slightly concave. Aperture egg-shaped or pyriform, with wide posterior and narrow anterior parts. Posterior shell field bears prominent posterior mid-dorsal buttress, running from apex to posterior apertural margin. Anterior buttress faint or absent. External shell ornamentation presented by elongated scales aligned in comarginal rows. Internal mold also bears mid-dorsal buttresses."