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Tenuimena planissima

Strophomenata - Strophomenida - Aegiromenidae

Taxonomy
Tenuimena planissima was named by Nikitina et al. (2006). Its type specimen is USNM 485105a, a valve (dorsal valve), and it is a 3D body fossil. Its type locality is Locality F-130a. Kurzhaksai section, which is in an Abereiddian marine sandstone in the Uzunbulak Formation of Kazakhstan. It is the type species of Tenuimena.

Synonymy list
YearName and author
2006Tenuimena planissima Nikitina et al. p. 188 figs. 25.19, 20; 27.1–3, 5; 28.B, C

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyPlectambonitoideaJones 1928
familyAegiromenidae(Havlicek 1961)
genusTenuimena
speciesplanissima

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.

†Tenuimena planissima Nikitina et al. 2006
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Diagnosis
ReferenceDiagnosis
O. I. Nikitina et al. 2006Shell almost flat, planoconvex to weakly resupinate; anterior commissure rectimarginate. Pseudodeltidium and chilidium present. Radial ornament unequally and very finely parvicostellate. Ventral interior with small, transverse teeth lacking dental plates. Ventral muscle field open anteriorly, flanked laterally by fine, straight, divergent muscle bounding ridges. Dorsal interior with a simple, undercut cardinal process and small, widely divergent socket plates. Slender dorsal median septum extending anteriorly to mid-valve. Mantle canal system in both valves unknown.
Measurements
No measurements are available
Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:13:23
Modified: 2009-04-13 11:03:33
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: Abereiddian or 468.00000 to 461.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Abereiddian468.0 - 461.1Kazakhstan Tenuimena planissima (type locality: 165617)