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Myofossa subarbitrata

Bivalvia - Sanguinolitidae

Taxonomy
Myonia subarbitrata was named by Dickins (1963). Its type specimen is CPC 3885, a valve (Left valve), and it is a 3D body fossil. Its type locality is BMR KNuA1, Paraside Homestead, which is in a Sakmarian coastal siliciclastic in the Poole Formation of Australia.

It was recombined as Myonia (Myonia) subarbitrata by Muromtseva and Guskov (1984); it was recombined as Myofossa (Myofossa) subarbitrata by Morris et al. (1991); it was recombined as Myofossa subarbitrata by Manankov (2004) and Biakov (2019).

Sister species lacking formal opinion data
M. hookesensis

Synonymy list
YearName and author
1963Myonia subarbitrata Dickins p. 48 figs. Pl 5, figs 2-12,22
1984Myonia (Myonia) subarbitrata Muromtseva and Guskov p. 100 figs. Pl 42, figs 1-9; pl 48, fig 11
1991Myofossa (Myofossa) subarbitrata Morris et al. p. 62 figs. 9a-f
2004Myofossa subarbitrata Manankov p. 367
2019Myofossa subarbitrata Biakov p. 245 figs. Pl 3, fig 15

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
—CardiidiaFerussac 1822
superfamilyGrammysioideaMiller 1877
familySanguinolitidaeMiller 1877
subfamilySanguinolitinaeMiller 1877
genusMyofossa
speciessubarbitrata()

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.

†Myofossa subarbitrata Dickins 1963
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height19.00----
valve height512.611.017.012.02.49

Composition: aragonitec
Locomotion: facultatively mobilec
Life habit: deep infaunalg
Diet: suspension feederc
Vision: blindc
Created: 2009-10-12 12:33:39
Modified: 2009-10-12 14:33:39
Source: g = genus, c = class
References: Clapham 2015, Aberhan et al. 2004

Age range: base of the Asselian to the top of the Kungurian or 298.90000 to 272.30000 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Gzhelian - Asselian303.7 - 295.5Russian Federation Myofossa subarbitrata (202199)
Asselian298.9 - 295.5Russian Federation Myofossa subarbitrata (102159) Myonia subarbitrata (101724)
Sakmarian293.52 - 290.1Australia (Western Australia) Myonia subarbitrata (type locality: 85021 85845 85925)
Sakmarian293.52 - 290.1Russian Federation Myofossa subarbitrata (102160)
Artinskian290.1 - 279.3Russian Federation Myofossa subarbitrata (102161) Myonia subarbitrata (114401)
Artinskian290.1 - 279.3Mongolia Myofossa subarbitrata (51571 116247)
Kungurian279.3 - 272.3Russian Federation Myonia subarbitrata (82430 89367 110010 114169 114399 114400)