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Tetrarca washingtoniana

Bivalvia - Arcida - Cucullaeidae

Taxonomy
Arca washingtoniana was named by Dickerson (1917). Its type specimen is CAS 382 and is a 3D body fossil. Its type locality is CAS loc. 181, Cowlitz River, 4mi E. of Vader, which is in an Eocene coastal sandstone/conglomerate in Washington.

It was recombined as Arca (Arca) washingtoniana by Reinhart (1943); it was recombined as Tetrarca washingtoniana by Vermeij and Amano (2021).

Synonyms
  • Barbatia merriami was named by Van Winkle (1918). It is a 3D body fossil. Its type locality is UW 364, which is in an Oligocene marine horizon in Washington.

    It was recombined as Arca merriami by Clark (1925); it was synonymized subjectively with Arca (Arca) washingtoniana by Reinhart (1943).
Synonymy list
YearName and author
1917Arca washingtoniana Dickerson p. 166 figs. PI. 27, Figs. 2a and 2b
1918Barbatia merriami Van Winkle p. 81 figs. pl. 6, fig. 1
1925Arca merriami Clark p. 80
1938Arca washingtoniana Effinger p. 367 figs. Plate 46, figure 8
1943Arca (Arca) washingtoniana Reinhart p. 22 figs. PI. 4, figs. 2-4
2021Tetrarca washingtoniana Vermeij and Amano p. 44

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
—OstreomorphiFerussac 1822
—ArcioniGray 1854
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyCucullaeidaeStewart 1930
genusTetrarcaNordsieck 1969
specieswashingtoniana()

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.

†Tetrarca washingtoniana Dickerson 1917
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Invalid names: Barbatia merriami Van Winkle 1918 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Locomotion: facultatively mobilesuperf
Life habit: semi-infaunalsuperf
Diet: suspension feedersuperf
Vision: limitedf
Created: 2010-02-17 23:12:32
Modified: 2010-02-18 01:12:32
Source: f = family, superf = superfamily, o = order
References: Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Late/Upper Eocene to the top of the Early/Lower Oligocene or 37.71000 to 27.30000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Eocene37.71 - 33.9USA (Washington) Arca washingtoniana (4900)
Priabonian37.71 - 33.9USA (Washington) Arca washingtoniana (40733 91606 91607)
Early/Lower Oligocene33.9 - 27.3USA (Washington) Arca merriami (91608)
Oligocene33.9 - 23.04USA (Washington) Barbatia merriami (241957)