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

Camenella

Tommotiida - Tommotiidae

Taxonomy
Camenella was named by Rozanov and Missarzhevsky (1966) [Sepkoski's age data: Cm Tomm-l Cm Boto-l Sepkoski's reference number: 522,655,885,1244. Missarzhevsky in Rozanov & Missarzhevsky 1966]. It is not extant. Its type is Camenella garbowskae.

It was synonymized subjectively with Tommotia by Bengtson (1970).

It was assigned to Camenidae by Rozanov et al. (1969); to Mitrosagophora by Sepkoski (2002); and to Tommotiidae by Skovsted et al. (2009).

Synonyms
Synonymy list
YearName and author
1966Camenella Rozanov and Missarzhevsky p. 95
1969Camenella Rozanov et al. p. 194
1970Tommotia Bengtson p. 374
1970Tommotia Missarzhevsky p. 100
1974Tommotia Sokolov et al.
2002Camenella Sepkoski, Jr.
2009Camenella Skovsted et al. p. 528

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

RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
RankNameAuthor
Lophophorata
phylumBrachiopodaCuvier 1805
orderTommotiida()
orderMitrosagophora
familyTommotiidae
genusCamenella

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
C. B. Skovsted et al. 2009Tommotiids with solid, densely lamellar sclerites. Surface sculpture of fine growth striae, larger co−marginal ribs and occasional transverse ribs radiating from the umbo. Two types of sclerites; pyramidalmitrals and saddle-shaped sellates. Mitral sclerites with subquadrate cross−section, a pointed umbo and a system of pronounced radiating folds on one or occasionally two opposing sides. Sellate sclerites strongly asymmetrical and compressed with marginal, sometimes coiled apex, dorsal surface with two lobes of unequal size separated by a depressed sella and ventral surface often with distinct duplicature. Both sclerite types occur in dextral and sinistral symmetry variants. Differs from Lapworthella and related genera by the presence of two distinct sclerite types, and from Dailyatia and Kennardia by the absence of bilaterally symmetrical sclerites.