PBDB Taxon

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

Anadara (Rasia) dariensis

Bivalvia - Arcida - Arcidae

Taxonomy

Arca dariensis was named by Brown and Pilsbry (1911). Its type specimen is ANSP (no number), a shell, and it is a 3D body fossil.

It was recombined as Arca (Scapharca) dariensis by Olsson (1922), Maury (1925) and Anderson (1929); it was recombined as Arca (Diluvarca) dariensis by Olsson (1932); it was recombined as Anadara (Scapharca) dariensis by Oinomikado (1939); it was recombined as Anadara (Rasia) dariensis by Woodring (1973).

Subspecies

Anadara (Rasia) dariensis progonica

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

Synonyms

Arca gatunensis was named by Toula (1911).

It was synonymized subjectively with Arca dariensis by Olsson (1932); it was synonymized subjectively with Anadara (Rasia) dariensis by Woodring (1973).
Scapharca losquemadica was named by Maury (1917) [TYPE LOCALITY: Los Quemados. Dominican Republic (Miocene-Pliocene). TYPE REPOSITORY: Presumably PRI, New York.].

It was synonymized subjectively with Anadara (Rasia) dariensis by Woodring (1973) and Hendy et al. (2008).

Synonymy list

Year	Name and author
1911	Arca dariensis Brown and Pilsbry p. 362 figs. 22: 10
1911	Arca gatunensis Toula p. 493 figs. 30: 4, 8, 10, 13
1917	Scapharca losquemadica Maury p. 336 figs. pl. 30, fig. 1
1922	Arca (Scapharca) dariensis Olsson p. 184 figs. pl. 22, figs. 10-13
1925	Arca (Scapharca) dariensis Maury p. 207 figs. 6: 5
1929	Arca (Scapharca) dariensis Anderson p. 147
1932	Arca (Diluvarca) dariensis Olsson p. 68
1939	Anadara (Scapharca) dariensis Oinomikado p. 627
1973	Anadara (Rasia) dariensis Woodring p. 505

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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	dariensis	()

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) dariensis Brown and Pilsbry 1911

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Invalid names: Anadara (Sectiarca) losquemadica Maury 1917 [synonym], Arca gatunensis Toula 1911 [synonym]

†Anadara (Rasia) dariensis progonica Woodring 1973

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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 Aquitanian to the top of the Piacenzian or 23.03000 to 2.58800 Ma

Collections (99 total)

Time interval	Ma	Country or state	Original ID and collection number
Aquitanian	23.03 - 20.44	Panama	Anadara dariensis (42608 42628 42630 42631 93039)
Burdigalian	20.44 - 15.97	Panama	Anadara dariensis (42611 42615 42616 42617 42618 42619 42620 93042)
Middle Miocene	15.97 - 11.608	Peru	Arca dariensis (66179)
Middle Miocene	15.97 - 11.608	Panama	Anadara dariensis (42601 52173 93046 93050)
Tortonian	11.62 - 7.246	Panama (Darien)	Anadara dariensis (92704 131199 136993)
Tortonian	11.62 - 7.246	Panama (Colon)	Anadara dariensis (142901 142903 142905 142906 142910 142918 142919 142921 142922 142923 142924 142925 142927 142931 142932 142933 142936 142939 142940 142942 142943 142944 142945 142946 142948 142950 142951 145336)
Tortonian	11.62 - 7.246	Panama	Anadara dariensis (52169 52170 52171 52172 52174 52176 82116 82119 82121 82122 82124 82125 82126 82128 93052 93053 93054 93057 93062 93144 93145 93146 93148 93159 93160 93162 93163 93166 93171 93172 93173 93174 93175 93176 93177 93224 145519 145520 145522 145523 145524) Arca dariensis (134661 134662)
Late/Upper Miocene	11.608 - 5.333	Colombia	Anadara dariensis (96501) Arca dariensis (88297)
Late/Upper Miocene	11.608 - 5.333	Costa Rica (Limon)	Anadara dariensis (96520)
Late/Upper Miocene	11.608 - 5.333	Venezuela	Anadara dariensis (96483)
Early/Lower Pliocene	5.333 - 3.6	Dominican Republic	Scapharca losquemadica (58822)
Pliocene	5.333 - 2.588	Colombia	Anadara dariensis (93725)
Piacenzian	3.6 - 2.588	Panama	Arca dariensis (134663)