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Mactromeris markleyensis

Bivalvia - Cardiida - Mactridae

Taxonomy
Mactra (Spisula) markleyensis was named by Clark (1938). Its type specimen is UCMP 30852, a shell, and it is a 3D body fossil. Its type locality is UCMP A1297, which is in an Eocene marine sandstone in the Markley Formation of California.

It was recombined as Mactromeris markleyensis by Moore (2003), Hendy (2020).

Sister species lacking formal opinion data
M. addicotti, M. precursor, Spisula longa

Synonymy list
YearName and author
1938Mactra (Spisula) markleyensis Clark p. 699 figs. Plate 2, figures 1, 6, 7
2003Mactromeris markleyensis Moore figs. Plate 8, figure 8
2020Mactromeris markleyensis Hendy

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
RankNameAuthor
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—Veneroidei(Gray 1854)
—VeneroiteiGray 1854
superfamilyMactroidea(Lamarck 1809)
familyMactridaeLamarck 1809
subfamilyMactrinaeLamarck 1809
genusMactromerisConrad 1868
speciesmarkleyensis()

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: suspension feederf
Vision: blindc
Created: 2009-09-09 13:48:47
Modified: 2009-09-09 15:48:47
Source: f = family, c = class
References: Aberhan et al. 2004, Sanchez Roig 1926

Age range: Middle Eocene or 48.07000 to 37.71000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Eocene48.07 - 37.71USA (California) Mactra markleyensis (type locality: 191188)