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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, fig. 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.
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 1.0 to < 10g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryg
Attached: yesp
Life habit: epifaunalg
Diet: suspension feederg
Vision: blindc
Created: 2009-04-13 09:55:02
Modified: 2018-11-11 09:56:39
Source: g = genus, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Richmondian to the top of the Rhuddanian or 449.60000 to 440.80000 Ma

Collections (59 total)


Time interval Ma Country or state Original ID and collection number
Onnian - Pusgillian453.0 - 449.2United Kingdom (Northern Ireland) Leptaena rugosa (163265)
Kralodvorian449.8 - 445.2Czech Republic (Praha) Leptaena rugosa (151985)
Richmondian449.6 - 445.5United Kingdom (Northern Ireland) Leptaena rugosa (89260)
Cautleyan449.2 - 448.8United Kingdom Leptaena rugosa (163263)
Cautleyan449.2 - 448.8United Kingdom (Northern Ireland) Leptaena rugosa (163261)
Cautleyan - Rawtheyan449.2 - 445.2United Kingdom (Wales) Leptaena rugosa (8290 8291)
Rawtheyan448.8 - 445.2United Kingdom (Wales) Leptaena rugosa (8293 8327 8370 192503)
Rawtheyan - Hirnantian448.8 - 443.4United Kingdom (Wales) Leptaena rugosa (8292)
Porkuni445.6 - 443.7Sweden (Östergötland) Leptaena rugosa (type locality: 73456 186269)
Porkuni445.6 - 443.7Latvia Leptaena rugosa (173381 173382 173383 173384 173386 173387 173389 173390 173392 173393 173394 173395 173399 173406 173535)
Porkuni445.6 - 443.7Estonia Leptaena rugosa (151995 151996 173385 173388 173391)
Porkuni445.6 - 443.7Sweden (Dalarne) Leptaena rugosa (152984 153018 153020)
Hirnantian445.2 - 443.4United Kingdom (Wales) Leptaena martinensis (153336) Leptaena rugosa (8384 8388)
Hirnantian445.2 - 443.4Czech Republic (Praha) Leptaena rugosa (149318 149320)
Hirnantian445.2 - 443.4Sweden (Jamtland) Leptaena rugosa (153328 153329)
Hirnantian445.2 - 443.4Turkey Leptaena rugosa (185134)
Hirnantian445.2 - 443.4Sweden (Dalarne) Leptaena rugosa (73455)
Hirnantian445.2 - 443.4China (Guizhou) Leptaena rugosa (153003)
Hirnantian445.2 - 443.4China (Yunnan) Leptaena rugosa (203556 211628)
Rhuddanian443.4 - 440.8Canada (Nova Scotia) Leptaena martinensis (3835 49822)
Rhuddanian443.4 - 440.8China (Jiangxi) Leptaena sp. (151943 151944)
Rhuddanian443.4 - 440.8China (ZheJiang) Leptaena rugosa (168825 188392) Leptaena sp. (151942 151945 151946)
Rhuddanian443.4 - 440.8China (Zhejiang) Leptaena rugosa (168061)