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Stewartia

Bivalvia - Lucinida - Lucinidae

Taxonomy
Stewartia was named by Olsson (1953) [Sepkoski's age data: T Ol-u T Plio Sepkoski's reference number: 985]. It is not extant.

It was synonymized subjectively with Megaxinus by Cox et al. (1969).

It was assigned to Lucinidae by Ward and Blackwelder (1987); to Lucininae by Vokes (1980) and Ward (1992); and to Veneroida by Sepkoski (2002).

Species
S. anodonta, S. floridana, S. foremani
Species lacking formal opinion data
Lucina micraulax

Synonymy list
YearName and author
1953Stewartia Olsson
1980Stewartia Vokes p. 102
1987Stewartia Ward and Blackwelder p. 129
1992Stewartia Ward p. 79
2002Stewartia Sepkoski

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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
—LucinidiaGray 1854
orderLucinida(Stoliczka 1871)
superfamilyLucinoideaFleming 1828
familyLucinidaeFleming 1828
subfamilyLucininaeFleming 1828
genusStewartiaOlsson 1953

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. †Stewartia Olsson 1953
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Stewartia floridana Conrad 1833
†Stewartia foremani Conrad 1841
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Locomotion: facultatively mobilef
Life habit: deep infaunalf
Diet: chemosymbioticf
Vision: blindc
Created: 2009-05-17 03:07:50
Modified: 2009-10-09 08:44:03
Source: f = family, c = class
References: Kiessling 2004, Aberhan et al. 2004

Age range

Maximum range based only on fossils: base of the Late/Upper Oligocene to the top of the Holocene or 28.40000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 23.03 Ma

Collections (69 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Oligocene28.4 - 23.03USA (North Carolina) S. anodonta (71649 71651 71652)
Early/Lower Miocene23.03 - 15.97USA (New Jersey) Phacoides anodonta (59722 92757)
Early/Lower Miocene - Middle Miocene23.03 - 11.608USA (Rhode Island) Phacoides anodonta (88533)
Burdigalian20.44 - 15.97USA (Maryland) Megaxinus anodonta (79101)
Burdigalian20.44 - 15.97USA (Delaware) S. anodonta (18579)
Langhian15.97 - 13.82USA (Maryland) Phacoides anodonta (60379) Phacoides anodonta, S. anodonta, S. foremani (55517)
Serravallian13.82 - 11.62USA (Maryland) Lucina foremani (55396) Megaxinus anodonta (79104 79105 79107 79109 79113) S. anodonta (60376 70830 70832 70846)
Serravallian13.82 - 11.62USA (Virginia) S. anodonta (71643)
Tortonian11.62 - 7.246USA (Maryland) S. anodonta (70853)
Late/Upper Miocene11.608 - 5.333USA (Maryland) S. anodonta (51722 51727 59303 59304 59305 68978)
Messinian7.246 - 5.333USA (Virginia) S. anodonta (71619 71623)
Early/Lower Pliocene5.333 - 3.6USA (Virginia) S. anodonta (59297)
Zanclean5.333 - 3.6USA (South Carolina) Pseudomiltha anodonta (60940)
Zanclean5.333 - 3.6USA (Virginia) S. anodonta (71620 71624)
Pliocene5.333 - 2.588USA (North Carolina) S. anodonta (79248)
Pliocene5.333 - 2.588USA (Virginia) Phacoides anodonta (59293)
Late/Upper Pliocene3.6 - 2.588USA (Virginia) S. anodonta (79246 79247 80036 80038 80040)
Gelasian2.588 - 1.806USA (North Carolina) S. anodonta (71138)
Early/Lower Pleistocene2.588 - 0.781USA (Florida) Phacoides anodonta (41501 79331) Pseudomiltha floridana (61309) S. anodonta (79786 79788 79789 80025)
Early/Lower Pleistocene2.588 - 0.781USA (South Carolina) Phacoides anodonta (60944)
Early/Lower Pleistocene2.588 - 0.781USA (North Carolina) S. anodonta (58898 69043 79339 80033 80034 80035)
Pleistocene2.588 - 0.0117USA (South Carolina) S. anodonta (80053 80083)
Calabrian1.8 - 0.774USA (Florida) Phacoides anodonta (41705)
Late/Upper Pleistocene0.129 - 0.0117USA (Florida) Phacoides anodonta (80001) Phacoides floridanus (34269) Pseudomiltha floridana (79739) S. anodonta (69038 70010) S. floridana (69084 69085 80027 96538)
Holocene0.0117 - 0.0USA (Louisiana) Pseudomiltha floridana (92776)