PBDB Taxon

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

Barbatia (Calloarca) alternata

Bivalvia - Arcida - Arcidae

Taxonomy

Byssoarca alternata was named by Sowerby (1833). It is extant.

It was recombined as Barbatia (Calloarca) alternata by Reinhart (1943).

Sister species lacking formal opinion data

B. awamoana, B. cochlearis, B. decussata, B. dejaeri, B. fractura, B. helblingii, B. kubara, B. laekeniana, B. mackayi, B. palmerae, B. reklawensis, B. salebrosus, B. sorongensis, B. striatularis, B. textiliosa, B. vincenti, B. beaugrandi, B. laeviuscula, B. thurrelli, B. uxoripalmeri

Synonymy list

Year	Name and author
1833	Byssoarca alternata Sowerby p. 17
1943	Barbatia (Calloarca) alternata Reinhart p. 30 figs. PI. 11, figs. 5-7

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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	Arcinae	Lamarck 1809
genus	Barbatia	Gray 1857
subgenus	Calloarca
species	alternata	(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.

Barbatia (Calloarca) alternata 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:

stationaryg

Attached:

yesg

Life habit:

epifaunalg

Diet:

suspension feederg

Vision:

limitedf

Created:

2009-09-09 09:05:45

Modified:

2009-09-09 11:05:45

Source: g = genus, f = family

References: Mikkelsen and Bieler 2008, Sanchez Roig 1926

Age range: Late/Upper Pleistocene or 0.12900 to 0.01170 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Pleistocene	0.129 - 0.0117	Mexico (Sonora)	Barbatia alternata (44963)