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Thracia

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	18836	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=18836

Rank

genus (PBDB)

Taxonomy (PBDB)

Life : Animalia : Mollusca : Bivalvia : Thraciida : Thraciidae : Thracia

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca	Linnaeus 1758
class	Bivalvia	Linnaeus 1758
-	Eubivalvia	Carter 2011
subclass	Autobranchia
infraclass	Heteroconchia
-	Cardiomorphi	Ferussac 1822
-	Cardioni	Ferussac 1822
-	Cardiidia	Ferussac 1822
-	Poromyata	Ridewood 1903
order	Thraciida	Carter 2011
superfamily	Thracioidea	Stoliczka 1870
family	Thraciidae	Stoliczka 1870
genus	Thracia	Blainville 1824

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Thracia	genus	belongs to Thraciidae	stated without evidence	Glenn, 1904
Thracia	genus	belongs to Thraciidae	stated with evidence	Faustman, 1964
Thracia	genus	belongs to Thraciidae	stated without evidence	Marasti, 1973
Thracia	genus	belongs to Thraciidae	stated with evidence	Vokes, 1980
Thracia	genus	belongs to Thraciidae	stated without evidence	Wienrich, 1999
Thracia	genus	belongs to Pholadomyoida	second hand	Sepkoski, 2002
Thracia	genus	belongs to Thraciidae	stated with evidence	Schneider et al., 2005
Thracia	genus	belongs to Thraciidae	stated without evidence	Bouchet et al., 2010

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

24 (44%)

First Recorded Appearance

290 - 269 Ma
Permian

Motility

facultatively mobile (based on Thraciidae)

Vision

blind (based on Bivalvia)

Diet

suspension feeder (based on Thraciidae)

Taphonomy

aragonite (based on Bivalvia)

Primary Reference (PBDB)

J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Thracia (Cetothrax) subgenus	listed (PBDB)	36	58.7 Ma Paleocene	0 Ma Extant
Thracia (Crassithracia) subgenus	listed (PBDB)	5	11.6 Ma Miocene	0 Ma Extant
Thracia (Cyathodonta) subgenus	listed (PBDB)	36	33.9 Ma Oligocene	0 Ma Extant
Thracia (Homoeodesma) subgenus	listed (PBDB)	23	28.1 Ma Oligocene	0 Ma Extant
Thracia (Ixartia) subgenus	listed (PBDB)	2	2.59 Ma Pleistocene	0 Ma Extant
Thracia (Odoncineta) subgenus	listed (PBDB)			0 Ma Extant
Thracia (Thracia) subgenus	listed (PBDB)	50	174 Ma Middle Jurassic	0 Ma Extant
Eximiothracia perscabrosa ✝ species	listed (PBDB)	1	16.0 Ma Miocene	16.0 Ma Miocene
Thracia imperfecta species	accepted (GBIF) listed (PBDB)	2	0.13 Ma Pleistocene	0 Ma Extant
Thracia applanata ✝ species	listed (PBDB)	2	222 Ma Late/Upper Triassic	222 Ma Late/Upper Triassic
Thracia brioni species	accepted (GBIF) listed (PBDB)	3	3.60 Ma Pliocene	2.59 Ma Pleistocene
Thracia curtansata species	accepted (GBIF) listed (PBDB)	5	168 Ma Middle Jurassic	168 Ma Middle Jurassic
Thracia declivis species	listed (PBDB)
Thracia depressa species	listed (PBDB)	78	168 Ma Middle Jurassic	151 Ma Late Jurassic
Thracia dilleri ✝ species	accepted (GBIF) listed (PBDB)	5	47.8 Ma Eocene	41.3 Ma Eocene
Thracia formosa ✝ species	accepted (GBIF) listed (PBDB)	1	5.33 Ma Miocene	5.33 Ma Miocene
Thracia grignonensis ✝ species	accepted (GBIF) listed (PBDB)
Thracia incerta species	listed (PBDB)	32	166 Ma Middle Jurassic	151 Ma Late Jurassic
Thracia karquinesensis ✝ species	accepted (GBIF) listed (PBDB)	1	41.3 Ma Eocene	41.3 Ma Eocene
Thracia keaseyensis ✝ species	doubtful (GBIF) listed (PBDB)	9	38.0 Ma Eocene	38.0 Ma Eocene
Thracia kissoumi ✝ species	accepted (GBIF) listed (PBDB)	1	109 Ma Early/Lower Cretaceous	109 Ma Early/Lower Cretaceous
Thracia ludovica ✝ species	accepted (GBIF) listed (PBDB)
Thracia mactroides ✝ species	listed (PBDB)	2	247 Ma Early/Lower Triassic	247 Ma Early/Lower Triassic
Thracia oblata ✝ species	listed (PBDB)	2	56.0 Ma Paleocene	56.0 Ma Paleocene
Thracia papyracea species	listed (PBDB)	4	5.33 Ma Miocene	0 Ma Extant
Thracia parvula ✝ species	accepted (GBIF) listed (PBDB)
Thracia prisca ✝ species	listed (PBDB)	6	237 Ma Middle Triassic	183 Ma Early Jurassic
Thracia proavita ✝ species	accepted (GBIF) listed (PBDB)	1	228 Ma Late/Upper Triassic	228 Ma Late/Upper Triassic
Thracia schencki ✝ species	accepted (GBIF) listed (PBDB)	5	28.1 Ma Oligocene	28.1 Ma Oligocene
Thracia stelcki ✝ species	accepted (GBIF) listed (PBDB)	2	113 Ma Early/Lower Cretaceous	113 Ma Early/Lower Cretaceous
Thracia ventricosa species	listed (PBDB)	8	28.1 Ma Oligocene	0 Ma Extant
Thracia viceliacensis ✝ species	accepted (GBIF) listed (PBDB)	31	168 Ma Middle Jurassic	161 Ma Jurassic
Thracia weedi ✝ species	accepted (GBIF) listed (PBDB)	17	172 Ma Middle Jurassic	170 Ma Middle Jurassic

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, Jr.
2005	Thracia Schneider et al. p. 103
2010	Thracia Bouchet et al.
2014	Thracia Hickman p. 8
2014	Thracia Ros-Franch et al.

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, Jr.
2005	Thracia Schneider et al. p. 103
2010	Thracia Bouchet et al.
2014	Thracia Hickman p. 8
2014	Thracia Ros-Franch et al.

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

Glenn L. C. (1904) Pelecypoda, Maryland Geological Survey Miocene Text, 274-401

Durham J. W. (1944) Megafaunal zones of the Oligocene of northwestern Washington, University of California Publications in Geological Sciences 27, 101 -212

Faustman W. F. (1964) Paleontology of the Wildcat Group at Scotia and Centerville Beach, California, University of California Publications in Geological Sciences 41 2, 97-160

Marasti R. (1973) La fauna tortoniana del T. Stirone (limite Parmense-Piacentino), Bollettino della Societa Paleontologica Italiana 12 1, 76-120

Moore E. J. (1976) Oligocene marine mollusks from the Pittsburg Bluff Formation in Oregon, United States Geological Survey Professional Paper 922, 1-66

Vokes H. E. (1980) Genera of the Bivalvia: a systematic and bibliographic Catalogue, Genera of the Bivalvia: a systematic and bibliographic Catalogue

Ward L. W., Blackwelder B.W. (1987) Late Pliocene and Early Pleistocene Mollusca from the James City and Chowan River Formations at Lee Creek Mine, Smithsonian Contributions to Paleobiology 61, 113-283

Freneix S., Saint Martin J.-P., et al (1988) Bivalves Hétérodontes du Messinien d'Oranie (Algérie occidentale), Museum National d'Histoire Naturelle Section C: Sciences de la Terre 9 4, 415-453

Wienrich G. (1999) Die Fauna des marinen Miozäns von Kevelaer (Niederrhein). Band 2 Bivalvia, Scaphopoda, Cephalopoda, Bryozoa, Annelida, Brachiopoda, Backhuys Publishers, Leiden 2, 188-384

Schneider S., Witt W., et al (2005) Ostracods and bivalves from an Upper Pleistocene (Tyrrhenian) marine terrace near Altinova (Izmit Province, Turkey), Zitteliana 45, 87-114

Bouchet P., Rocroi J.-P., et al (2010) Nomenclator of Bivalve Families with a Classification of Bivalve Families, Malacologia 52 2, 1-184 doi:10.4002/040.052.0201

Hickman C. S. (2014) Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, part IV: The anomalodesmatans, PaleoBios 31 3, 1-21

Ros-Franch S., Márquez-Aliaga A., et al (2014) Comprehensive database on Induan (Lower Triassic) to Sinemurian (Lower Jurassic) marine bivalve genera and their paleobiogeographic record, Paleontological Contributions 8, 1-219

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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