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Thracia (Homoeodesma) trapezoides

Bivalvia - Thraciida - Thraciidae

Taxonomy
Thracia trapezoides was named by Conrad (1849). It is extant.

It was corrected as Thracia trapezoidea by Arnold and Hannibal (1913) and Etherington (1931); it was recombined as Thracia (Thracia) trapezoides by Moore (1963); it was recombined as Thracia (Homoeodesma) trapezoides by Coan et al. (2000) and Hendy (2021).

Synonymy list
YearName and author
1849Thracia trapezoides Conrad
1903Thracia trapezoides Arnold p. 122
1913Thracia trapezoidea Arnold and Hannibal
1931Thracia trapezoidea Etherington p. 74 figs. Plate 5, figure 8
1944Thracia trapezoides Durham p. 142
1963Thracia (Thracia) trapezoides Moore pp. 84 - 85 figs. Plate 26, figure 3; plate 31, figure 6
1964Thracia trapezoides Faustman p. 117
1976Thracia trapezoides Addicott p. 34
2000Thracia (Homoeodesma) trapezoides Coan et al. p. 532
2021Thracia (Homoeodesma) trapezoides Hendy

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
RankNameAuthor
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—PoromyataRidewood 1903
orderThraciida
superfamilyThracioideaStoliczka 1870
familyThraciidaeStoliczka 1870
genusThraciaBlainville 1824
subgenusHomoeodesma(Fischer 1887)
speciestrapezoides(Conrad 1849)

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: deep infaunalg
Diet: suspension feederf
Vision: blindc
Created: 2009-10-09 07:00:05
Modified: 2009-10-09 09:00:05
Source: g = genus, f = family, c = class
References: Todd 2001, Aberhan et al. 2004

Age range: base of the Chattian to the top of the Middle Pleistocene or 28.10000 to 0.12900 Ma

Collections (43 total)


Time interval Ma Country or state Original ID and collection number
Oligocene33.9 - 23.03USA (Washington) Thracia trapezoides (208168 208169 208178)
Chattian28.1 - 23.03USA (Washington) Thracia trapezoides (37577 37581 37583 37585 37586 180405 208172)
Aquitanian23.03 - 20.44USA (Washington) Thracia trapezoides (37560 37595)
Early/Lower Miocene23.03 - 15.97USA (Washington) Thracia trapezoides (37573 37574)
Burdigalian20.44 - 15.97USA (Oregon) Thracia trapezoides (39805)
Langhian15.97 - 13.82USA (Oregon) Thracia trapezoides (201690)
Early/Lower Pliocene5.333 - 3.6USA (Oregon) Thracia trapezoidea (71148)
Pliocene5.333 - 2.588USA (California) Thracia trapezoides (204364)
Piacenzian3.6 - 2.588USA (California) Thracia trapezoides (186031)
Gelasian2.588 - 1.806USA (California) Thracia trapezoides (207762)
Early/Lower Pleistocene2.588 - 0.781USA (California) Thracia trapezoides (168757 231899)
Pleistocene2.588 - 0.0117USA (Oregon) Thracia trapezoidea (71142)
Middle Pleistocene0.774 - 0.129USA (California) Thracia trapezoides (202634 202635 202636 202637 202638 202639 202643 202644 202647 202965 202966 222665 222666 222995 223308 223312 223314 223325 223327 223329)