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

Lapworthella

Tommotiida - Lapworthellidae

Synonyms
Synonymy list
YearName and author
1921Lapworthella Cobbold p. 359
1935Stenothecopsis Cobbold p. 43
1962Lapworthella Fisher p. 138
1962Stenothecopsis Fisher p. 138
1966Lapworthella Rozanov and Missarzhevsky
1983Lapworthella Qian and Zhang p. 88
1984Lapworthella Duan p. 164
1984Lapworthella Landing pp. 1392-1393
2002Lapworthella Sepkoski, Jr.
2002Stenothecopsis Sepkoski, Jr.
2008Lapworthella Landing et al. p. 900

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

RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
RankNameAuthor
Lophophorata
phylumBrachiopodaCuvier 1805
orderTommotiida()
familyLapworthellidae
genusLapworthella

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
E.S. Cobbold 1921Small, tapering, annulated shells of circular or sub-polygonal section, consisting of two layers, the timer one of medium thickness, the outer very thin and chitinous. Annulations formed by pronounced raised ridges encircle the tube, and divide it into sub-equal parts.
E. Landing 1984Lapworthellids characterized by skeletons composed of highly variable sclerites with prominent transverse growth ridges; sclerites with or without 1) nodose or granular microsculpture on transverse sculpture, 2) longitudinal (radial) ridges, 3) adventitious septa.