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Bemella atava

Helcionelloida - Helcionellidae

Taxonomy
Sichuanospira atava was named by He (1984). It is not extant. Its type locality is Niuniuzhai, which is in a Meishucunian carbonate limestone/dolomite in the Dengying Formation of China. It is the type species of Sichuanospira.

It was recombined as Bemella atava by Parkhaev and Demidenko (2010).

Synonymy list
YearName and author
1984Sichuanospira atava He
2010Bemella atava Parkhaev and Demidenko p. 1027

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classHelcionelloidaPeel 1991
familyHelcionellidae
genusBemella
speciesatava()

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.

†Bemella atava He 1984
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Entire body: yesg
Adult length: 1.0 to < 10g
Thickness: thing
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marinec
Locomotion: slow-movingf
Life habit: low-level epifaunalf
Diet: detritivoref
Vision: limitedc
Created: 2009-06-11 12:46:49
Modified: 2009-06-11 14:46:49
Source: g = genus, f = family, c = class
References: Feng et al. 2000, Hendy 2009, Hendy et al. 2009

Age range: Meishucunian or 530.70000 to 521.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Meishucunian530.7 - 521.0China (Sichuan) Sichuanospira atava (type locality: 107390)