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Bemella

Helcionelloida - Helcionellida - Helcionellidae

Synonyms
Synonymy list
YearName and author
1969Bemella Rozanov et al. p. 163
1976Bemella Runnegar and Jell p. 116
1978Kalbyella Berg-Madsen and Peel
1979Latirostratus p. 244
1980Sacciconus Jiang p. 118
1989Bemella Missarzhevsky p. 175
1990Charaulachella Vassiljeva
1992Bemella Bengtson p. 1026
1994Bemella Elicki p. 83
1994Repenoconus Feng et al. p. 4
2000Striatoconus Feng et al. p. 370
2002Bemella Parkhaev p. 34
2002Bemella Sepkoski, Jr.
2002Kalbyella Sepkoski, Jr.
2002Latirostratus Sepkoski, Jr.
2002Sacciconus Sepkoski, Jr.
2010Bemella Parkhaev and Demidenko pp. 1024, 1025
2017Bemella Wagner p. G1331

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
RankNameAuthor
phylumMollusca
classHelcionelloidaPeel 1991
orderHelcionellida
superfamilyHelcionelloidea(Wenz 1938)
familyHelcionellidae
genusBemella

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 or even depressed, moderately compressed laterally. Apex inclined posteriorly and shifted up to posterior apertural margin and usually projects over it. Anterior field convex, posterior concave, rather short. Aperture simple, without sinuses and flaring, oval or irregularly-oval. Ornamentation usually represented by concentric folds, rarely radial ribs or striation can be present.