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Thracia
Taxonomy
Thracia was named by Blainville (1824) [Sepkoski's age data: J Hett R]. It is extant. Its type is Mya pubescens.
It was assigned to Pholadomyoida by Sepkoski (2002); and to Thraciidae by Glenn (1904), Durham (1944), Faustman (1964), Marasti (1973), Moore (1976), Vokes (1980), Ward and Blackwelder (1987), Freneix et al. (1988), Wienrich (1999), Schneider et al. (2005), Bouchet et al. (2010), Hickman (2014) and Ros-Franch et al. (2014).
It was assigned to Pholadomyoida by Sepkoski (2002); and to Thraciidae by Glenn (1904), Durham (1944), Faustman (1964), Marasti (1973), Moore (1976), Vokes (1980), Ward and Blackwelder (1987), Freneix et al. (1988), Wienrich (1999), Schneider et al. (2005), Bouchet et al. (2010), Hickman (2014) and Ros-Franch et al. (2014).
Species
Eximiothracia perscabrosa, T. (Cetothrax), T. (Crassithracia), T. (Cyathodonta), T. (Homoeodesma), T. (Ixartia), T. (Odoncineta), T. (Thracia), T. alciope, T. applanata, T. brioni, T. curtansata, T. declivis, T. depressa, T. dilleri, T. formosa, T. gibsonensis, T. grignonensis, T. incerta, T. jacalitosana, T. karquinesensis, T. keaseyensis, T. kissoumi, T. lenticularis, T. ludovica, T. mactroides, T. mactropsis, T. oblata, T. papyracea, T. parvula, T. prisca, T. proavita, T. schencki, T. sorrentoensis, T. stelcki, T. suciensis, T. ventricosa, T. viceliacensis, T. weedi
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1824 | Thracia Blainville p. 347 |
| 1904 | Thracia Glenn p. 359 |
| 1924 | Eximiothracia Iredale |
| 1944 | Thracia Durham p. 141 |
| 1964 | Thracia Faustman p. 117 |
| 1973 | Thracia Marasti p. 112 |
| 1976 | Thracia Moore p. 53 |
| 1980 | Thracia Vokes p. 211 |
| 1987 | Thracia Ward and Blackwelder p. 131 |
| 1988 | Thracia Freneix et al. p. 445 |
| 1999 | Thracia Wienrich p. 259 |
| 2002 | Thracia Sepkoski |
| 2005 | Thracia Schneider et al. p. 103 |
| 2010 | Thracia Bouchet et al. |
| 2014 | Thracia Hickman p. 8 |
| 2014 | Thracia Ros-Franch et al. |
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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.
G. Thracia Blainville 1824
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Subg. Thracia (Crassithracia) Soot-Ryen 1941
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Thracia (Crassithracia) septentrionalis Jeffreys 1872
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Invalid names: Thracia truncata Mighels and Adam 1842 [synonym]
Subg. Thracia (Cyathodonta) Conrad 1849
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†Cyathodonta dolicha Woodring 1982
Cyathodonta dubiosa Dall 1915
†Cyathodonta gatunensis Toula 1909
†Cyathodonta guadelupensis Dall 1903
Cyathodonta pedroana Dall 1915
†Cyathodonta spenceri Dall 1903
†Cyathodonta tristani Olsson 1922
Cyathodonta undulata Conrad 1849
†Cyathodonta weaveri Clark 1918
†Thracia (Cyathodonta) taylorensis Mansfield 1940
Subg. Thracia (Homoeodesma) Fischer 1887
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Thracia (Homoeodesma) challisiana Dall 1915
Thracia (Homoeodesma) conradi Couthouy 1839
Thracia (Homoeodesma) trapezoides Conrad 1849
Subg. Thracia (Ixartia) Leach 1852
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Thracia (Ixartia) curta Conrad 1837
Thracia (Ixartia) distorta Montagu 1803
Subg. Thracia (Odoncineta) Costa 1830
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Thracia (Odoncineta) bereniceae Coan 1990
Thracia (Odoncineta) squamosa Carpenter 1856
Subg. Thracia (Thracia) Blainville 1824
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Thracia (Thracia) convexa Wood 1815
Thracia (Thracia) pubescens Pulteney 1799
Thracia alciope Angas 1872
†Thracia applanata Krumbeck 1913
†Thracia brioni Ward and Blackwelder 1987
†Thracia curtansata Morris and Lycett 1855
†Thracia declivis Couthouy 1839
†Thracia depressa Sowerby 1823
†Thracia dilleri Dall 1898
†Thracia formosa Nomland 1917
†Thracia gibsonensis Van Winkle 1918
†Thracia grignonensis Deshayes 1857
†Thracia incerta Thurmann 1836
†Thracia jacalitosana Arnold 1909
†Thracia karquinesensis Weaver 1905
†Thracia keaseyensis Hickman 2014
†Thracia kissoumi McLearn 1933
†Thracia lenticularis Wilckens 1907
†Thracia ludovica Deshayes 1857
†Thracia mactroides Schlotheim 1837
†Thracia mactropsis Conrad 1856
†Thracia oblata Sowerby 1826
Thracia papyracea Poli 1795
†Thracia parvula Deshayes 1857
†Thracia prisca Healey 1908
†Thracia proavita Hudson and Jefferies 1961
†Thracia schencki Tegland 1933
†Thracia sorrentoensis Hanna 1927
†Thracia stelcki McLearn 1945
†Thracia suciensis Reagan 1924
Thracia ventricosa Philippi 1843
†Thracia viceliacensis d'Orbigny 1850
†Thracia weedi Stanton 1899
Invalid names: Eximiothracia Iredale 1924 [synonym], Osteodesma [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 14.0 |
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Todd 2001 | |||||
Age range
Maximum range based only on fossils: base of the Anisian to the top of the Holocene or 247.20000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 242.0 Ma
Minimum age of oldest fossil (stem group age): 242.0 Ma
Collections (638 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Germany (Baden-Württemberg) | T. mactroides (206384) | |
| Middle Triassic | Germany (Bayern) | Myacites mactroides (201348) | |
| Carnian | Germany | T. keuperina (34416) | |
| Carnian | Laos | T. prisca (44800) | |
| Late/Upper Triassic - Early/Lower Jurassic | Singapore | T. sp. (113863) | |
| Norian | United Arab Emirates | T. proavita (41201) | |
| Norian | Vietnam | T. prisca (44771) | |
| Norian - Rhaetian | Laos | T. prisca (44796) | |
| Lacian | Indonesia (Maluku) | T. applanata (204327 204487) | |
| Lacian - Alaunian | China (Sichuan) | T. prisca (25402) | |
| Rhaetian | United Kingdom (Gloucestershire) | T. sp. (204164) | |
| Early/Lower Jurassic | Vietnam (South Viet-Nam) | T. loducensis (37217) | |
| Hettangian | Canada (Yukon) | T. sp. (34240) | |
| Hettangian | Japan (Miyagi) | T. subrhombica (40541) | |
| Hettangian | Canada (Northwest Territories) | T. sp. (34185) | |
| Pliensbachian | Canada (Yukon) | T. sp. (34222) | |
| Pliensbachian | United Kingdom (Gloucestershire) | T. sp. (204121 204124) | |
| Late/Upper Pliensbachian | United Kingdom (Gloucestershire) | T. sp. (204120) | |
| Early/Lower Toarcian | Thailand | T. loducensis (87541) T. loducensis, T. prisca (87468 87540) | |
| Toarcian - Aalenian | Thailand | T. sp. (79535) | |