PBDB Taxon

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

Anadara (Rasia) emarginata

Bivalvia - Arcida - Arcidae

Taxonomy

Arca emarginata was named by Sowerby (1833). It is extant.

It was recombined as Anadara emarginata by Maury (1922); it was recombined as Anadara (Scapharca) emarginata by Reinhart (1943); it was recombined as Anadara (Rasia) emarginata by Woodring (1973).

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
1833	Arca emarginata Sowerby
1922	Anadara emarginata Maury p. 23
1943	Anadara (Scapharca) emarginata Reinhart p. 74
1973	Anadara (Rasia) emarginata Woodring p. 504

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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
subgenus	Rasia	(Gray 1857)
species	emarginata	(Sowerby 1833)

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 (Rasia) emarginata Sowerby 1833

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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:

epifaunalg

Diet:

suspension feederg

Vision:

limitedf

Created:

2009-09-09 13:18:36

Modified:

2009-09-09 15:18:36

Source: g = genus, f = family

References: Mikkelsen and Bieler 2008, Sanchez Roig 1926

Age range: base of the Tortonian to the top of the Early/Lower Pleistocene or 11.62000 to 0.78100 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Tortonian	11.62 - 7.246	Panama (Colon)	Anadara emarginata (145358)
Pliocene	5.333 - 2.588	Ecuador	Arca emarginata (97638)
Early/Lower Pleistocene	2.588 - 0.781	Costa Rica	Arca emarginata (66777)