PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Anadara aequicostata

Bivalvia - Arcida - Arcidae

Taxonomy

Arca aequicostata was named by Conrad (1845).

It was recombined as Anadara aequicostata by Ward and Blackwelder (1987).

Sister species lacking formal opinion data

A. burnesi, A. chilensis, A. clathrata, A. dameyi, A. delandensis, A. hypomela, A. improcera, A. larkini, A. natalensis, A. philippiana, A. rectangularis, A. setoensis, A. tarponensis, A. turoniensis, A. watanabei, A. microtera, A. kogachiensis, A. chavezi, A. guajirensis, A. suzukii, A. tectumcolumbae, Arca montensis

Synonymy list

Year	Name and author
1845	Arca aequicostata Conrad p. 61 figs. Plate 2, Figs. 1-2
1987	Anadara aequicostata Ward and Blackwelder p. 136

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia
subclass	Autobranchia	(Groblen 1894)

Rank	Name	Author
infraclass	Pteriomorphia	(Beurlen 1944)
—	Ostreomorphi	Ferussac 1822
—	Arcioni	Gray 1854
order	Arcida	(Stoliczka 1871)
superfamily	Arcoidea	(Lamarck 1809)
family	Arcidae	Lamarck 1809
subfamily	Anadarinae	Reinhart 1935
genus	Anadara	Gray 1847
species	aequicostata	(Conrad 1845)

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.

†Anadara aequicostata Conrad 1845

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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 mobileg

Attached:

yesf

Life habit:

semi-infaunalg

Diet:

suspension feederg

Vision:

limitedf

Created:

2009-09-09 13:20:13

Modified:

2009-09-09 15:20:13

Source: g = genus, f = family

References: Sanchez Roig 1926, Mikkelsen and Bieler 2008

Age range: base of the Late/Upper Pliocene to the top of the Late/Upper Pleistocene or 3.60000 to 0.01170 Ma

Collections (14 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Pliocene	3.6 - 2.588	USA (North Carolina)	Anadara aequicostata (58893 58894 58895)
Early/Lower Pleistocene (interglacial)	2.588 - 0.781	USA (North Carolina)	Anadara aequicostata (211029 211181 211182 211183)
Early/Lower Pleistocene	2.588 - 0.781	USA (North Carolina)	Anadara aequicostata (58897 58898 60986 60987 60988 60989)
Late/Upper Pleistocene	0.129 - 0.0117	USA (South Carolina)	Anadara aequicostata (69046)