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Leptaena rugosa

Strophomenata - Strophomenida - Rafinesquinidae

Taxonomy
Leptaena rugosa was named by Dalman (1828). It is a 3D body fossil. Its type locality is Borenshult, which is in a Porkuni carbonate limestone in the Loka Formation of Sweden. It is the type species of Leptaena, Leptaena (Leptaena).

It was recombined as Leptaena (Leptaena) rugosa by Cocks (2008), Cocks (2010) and Hints and Harper (2015).

Sister species lacking formal opinion data
L. dicax, L. ingrica

Synonyms
Synonymy list
YearName and author
1828Leptaena rugosa Dalman p. 106 figs. pl. 1 f. 1
1968Leptaena rugosa Bergström pp. 14-15 figs. pl. 5: 8, 9; text-fig. 7.
1968Leptaena martinensis Cocks pp. 302 - 304 figs. Pl. 4, figs. 9-13, PI. 5, figs. 1-3
1999Leptaena rugosa Dewing
2008Leptaena (Leptaena) rugosa Cocks p. 59
2010Leptaena (Leptaena) rugosa Cocks
2015Leptaena (Leptaena) rugosa Hints and Harper pp. 398 - 399 figs. 3A, B, D–F
2019Leptaena rugosa Huang et al. figs. 6A-F

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyStrophomenoideaKing 1846
familyRafinesquinidaeSchuchert 1893
subfamilyLeptaeninaeHall and Clarke 1894
genusLeptaenaDalman 1828
speciesrugosa

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.

†Leptaena rugosa Dalman 1828
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Invalid names: Leptaena (Leptaena) martinensis Cocks 1968 [synonym]
Diagnosis
ReferenceDiagnosis
L. R. M. Cocks 1968 (Leptaena martinensis)Leptaena with strong rugae and well defined ornament. Poorly developed muscle bounding ridges of variable shape.