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

Monotis (Monotis) anjuensis

Bivalvia - Pectinida - Monotidae

Taxonomy
Monotis anjuensis was named by Bytschkov and Efimova (1966). It is not extant. Its type specimen is Holotype TsNIGR 2/8264, a valve (left valve).

It was recombined as Monotis (Monotis) anjuensis by Grant-Mackie (1978); it was recombined as Monotis (Eomonotis) anjuensis by Silberling et al. (1997).

Synonymy list
YearName and author
1966Monotis anjuensis Bytschkov and Efimova
1978Monotis (Monotis) anjuensis Grant-Mackie
1997Monotis (Eomonotis) anjuensis Silberling et al.

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
RankNameAuthor
—OstreomorphiFerussac 1822
—OstreioniFerussac 1822
—OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderPectinida(Gray 1854)
suborderAnomiidinaGray 1854
—MonotoideiWaterhouse 2001
familyMonotidaeFischer 1887
genusMonotisBronn 1830
subgenusMonotisBronn 1930
speciesanjuensis(Bytschkov and Efimova 1966)

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.

†Monotis (Monotis) anjuensis Bytschkov and Efimova 1966
show all | hide all
Diagnosis
ReferenceDiagnosis
N. J. Silberling et al. 1997Medium-size Monotis up to 40 mm long. Tranversely to obliquely oval, subequivalve, and of low inflation, with both umbones projecting slightly dorsally of the hingeline. Primary ribs strong, rather broad, rounded, closely set, and number 30–36; secondary ribs much weaker and posteroventrally inserted late in some interspaces. Postumbonal length about 1.5–2.5 times preumbonal length. Posterior ear about one-half posterior length, ribbing on ear not always visible.
Measurements
No measurements are available
Composition: low Mg calcitef
Environment: marineo
Locomotion: stationaryf
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2007-11-26 23:53:43
Modified: 2007-11-27 01:55:28
Source: f = family, o = order, c = class
References: Kiessling 2004, Aberhan et al. 2004

Age range: Sevatian or 211.18000 to 205.70000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Sevatian211.18 - 205.7Russian Federation Monotis anjuensis (202711 202717)