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Dallarca

Bivalvia - Arcida - Arcidae

Taxonomy
Dallarca was named by Ward (1992) [Sepkoski's age data: T Mi-l T Plio-u Sepkoski's reference number: 985].

It was assigned to Anadarinae by Ward (1992); and to Arcoida by Sepkoski (2002).

Species
D. elnia, D. idonea, D. staminea, D. subrostrata, D. virginiae
Species lacking formal opinion data
D. alomensis, D. carolinensis, D. elevata, D. idarea
Entered
by J. Sepkoski on 2003-01-23; modified by M. Uhen on 2013-10-27

Synonymy list
YearName and author
1992Dallarca Ward p. 54
2002Dallarca Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyArcidaeLamarck 1809
subfamilyAnadarinaeReinhart 1935
genusDallarca

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. †Dallarca Ward 1992
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†Dallarca elnia Glenn 1904
†Dallarca idonea Conrad 1832
†Dallarca staminea Say 1832
†Dallarca subrostrata Conrad 1841
†Dallarca virginiae Wagner 1850
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Adult height: 10 to < 100f
Thickness: intermediatef
Folds: minorf
Ribbing: majorf
Spines: nonef
Internal reinforcement: nonef
Ontogeny: accretionf
Environment: lagoonal, coastal, inner shelf, outer shelf, oceanic, brackish, freshwaterf
Locomotion: facultatively mobilesubf
Attached: yesf
Life habit: semi-infaunalsubf
Diet: suspension feedersubf
Vision: limitedf
Created: 2009-08-18 18:09:28
Modified: 2009-08-18 20:09:28
Source: subf = subfamily, f = family
References: Mikkelsen and Bieler 2008, Hendy et al. 2009

Age range: base of the Burdigalian to the top of the Late/Upper Pliocene or 20.45000 to 2.58000 Ma

Collections (56 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Miocene23.04 - 15.98USA (New Jersey) Arca staminea (92765) Arca subrostrata (92762 92763 92764 92768 92769) Arca subrostrata, Arca idonea (92761) Arca subrostrata, Arca staminea (59364)
Early/Lower Miocene - Langhian23.04 - 13.82USA (North Carolina) D. elevata, D. subrostrata (173047)
Burdigalian20.45 - 15.98USA (Delaware) D. sp., D. subrostrata (18579)
Langhian15.98 - 13.82USA (Maryland) Arca subrostrata (55517 60379) D. subrostrata (68975 69023 69024)
Serravallian13.82 - 11.63USA (Maryland) Anadara staminea (79103 79104 79105 79106 79107 79108 79109 79110 79111 79113 79114 79116 79353) Arca staminea, D. elnia (60376 70830) D. elevata (70855 71638) D. elevata, Arca staminea (70832 70846) D. elnia (70844)
Serravallian13.82 - 11.63USA (Virginia) D. elevata (71643)
Tortonian11.63 - 7.246USA (Maryland) Arca idonea (70851) D. idonea (70853 71636)
Tortonian11.63 - 7.246USA (Virginia) D. idonea (71632 71637)
Late/Upper Miocene11.63 - 5.333USA (Maryland) D. idonea (51722 51727 59303 59304 59305 59306 69017 69032)
Late/Upper Miocene11.63 - 5.333USA (Virginia) D. idonea (79751 79752 79754) D. virginiae (59295)
Pliocene5.333 - 2.58USA (Virginia) Arca idonea (59294)
Late/Upper Pliocene3.6 - 2.58USA (Florida) D. alomensis (80039) D. idarea (80037)