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Anadara (Grandiarca) chiriquiensis

Bivalvia - Arcida - Arcidae

Taxonomy
Arca chiriquiensis was named by Gabb (1861). Its type specimen is ANSP 2724, a shell, and it is a 3D body fossil.

It was recombined as Scapharca (Scapharca) chiriquiensis by Dall (1898); it was recombined as Scapharca chiriquiensis by Maury (1917); it was recombined as Arca (Senilia) chiriquiensis by Barrios (1960); it was recombined as Anadara (Grandiarca) chiriquiensis by Woodring (1973).

Synonyms
Synonymy list
YearName and author
1861Arca chiriquiensis Gabb pp. pl. 28, fig. 2
1898Scapharca (Scapharca) chiriquiensis Dall
1899Arca obesiformis Grzybowski p. 633 figs. pl. 18, figs. 3, 3a
1899Arca septifera Grzybowski p. 633 figs. pl. 18, figs. 2, 2a
1910Arca websteri Pilsbry p. 488
1916Arca chiriquiensis Sheldon p. 49
1917Scapharca chiriquiensis Maury
1922Arca (Scapharca) imporcata Spieker p. 113 figs. pl. 5, figs. 19, 20
1922Arca (Scapharca) crescens Spieker p. 116 figs. pl. 6, fig. 34
1922Arca (Anadara) nelsoni Spieker p. 119 figs. pl. 6, figs. 7, 8
1922Arca (Anadara) toroensis Spieker p. 121 figs. pl. 6, figs. 9, 10
1932Arca (Senilia) chiriquiensis toroensis Olsson p. 71
1960Arca (Senilia) chiriquiensis Barrios p. 229
1964Anadara (Grandiarca) chiriquiensis toroensis Olsson p. 30
1973Anadara (Grandiarca) chiriquiensis Woodring p. 508

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassPteriomorphia(Beurlen 1944)
—OstreomorphiFerussac 1822
—ArcioniGray 1854
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyArcidaeLamarck 1809
subfamilyAnadarinaeReinhart 1935
genusAnadaraGray 1847
subgenusGrandiarca(Olsson 1961)
specieschiriquiensis(Gabb 1861)

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.

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Invalid names: Arca (Anadara) nelsoni Spieker 1922 [synonym], Arca (Anadara) toroensis Spieker 1922 [synonym], Arca (Scapharca) crescens Spieker 1922 [synonym], Arca (Scapharca) imporcata Spieker 1922 [synonym], Arca obesiformis Grzybowski 1899 [synonym], Arca septifera Grzybowski 1899 [synonym], Arca websteri Pilsbry 1910 [synonym]
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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 13:17:59
Modified: 2009-09-09 15:17:59
Source: g = genus, f = family
References: Sanchez Roig 1926, Mikkelsen and Bieler 2008

Age range: base of the Early/Lower Oligocene to the top of the Early/Lower Pliocene or 33.90000 to 3.60000 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Oligocene33.9 - 23.04Haiti Arca websteri (106324)
Early/Lower Oligocene - Middle Miocene33.9 - 11.63Haiti Scapharca chiriquiensis (173458)
Early/Lower Miocene23.04 - 15.98Ecuador (Esmeraldas) Anadara chiriquiensis (60753)
Early/Lower Miocene23.04 - 15.98Colombia Anadara chiriquiensis (131222)
Early/Lower Miocene23.04 - 15.98Peru (Tumbes) Arca septifera, Arca nelsoni, Arca toroensis (59000) Arca septifera, Arca obesiformis, Arca imporcata, Arca crescens, Arca nelsoni, Arca toroensis (58999)
Early/Lower Miocene23.04 - 15.98Peru Arca chiriquiensis (66177 66178)
Burdigalian20.45 - 15.98Colombia (La Guajira) Anadara chiriquiensis (156752 156753 156845 158214)
Burdigalian20.45 - 15.98Panama Anadara chiriquiensis (42621)
Middle Miocene15.98 - 11.63Ecuador (Manabi) Anadara chiriquiensis (60754)
Middle Miocene15.98 - 11.63Colombia (Bolivar) Scapharca chiriquiensis (60687)
Late/Upper Miocene11.63 - 5.333Colombia Anadara chiriquiensis (131219 131220)
Early/Lower Pliocene5.333 - 3.6Colombia Arca chiriquiensis (133224 133225 133228)