PBDB Taxon

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

Anadara trilineata

Bivalvia - Arcida - Arcidae

Taxonomy

Arca trilineata was named by Conrad (1856). It is a 3D body fossil.

It was recombined as Arca (Scapharca) trilineata by Dall (1909); it was recombined as Arca (Arca) trilineata by Grant and IV and Gale (1931); it was recombined as Anadara (Anadara) trilineata by Reinhart (1943), Faustman (1964), Moore (1983) and Hall (2002); it was recombined as Anadara trilineata by Schenck and Keen (1940), Woodring and Bramlette (1950), Hertlein and Grant (1972), Kern (1973) and Hendy (2020).

Subspecies

Anadara (Anadara) trilineata calcarea, Anadara (Anadara) trilineata canalis, Anadara (Anadara) trilineata trilineata

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 sulcicosta was named by Gabb (1866). It is a 3D body fossil.

It was replaced with Arca schizotoma by Dall (1898); it was synonymized subjectively with Arca trilineata by Osmont (1904); it was synonymized subjectively with Arca (Arca) trilineata by Grant and IV and Gale (1931).
Arca schizotoma was named by Dall (1898). It is a 3D body fossil.

It was synonymized subjectively with Arca trilineata by Osmont (1904); it was synonymized subjectively with Arca (Arca) trilineata by Grant and IV and Gale (1931); it was synonymized subjectively with Anadara (Anadara) trilineata by Reinhart (1943).

Synonymy list

Year	Name and author
1856	Arca trilineata Conrad p. 314
1866	Arca sulcicosta Gabb p. 31 figs. PI. 9, Fig. 53, 53 a
1898	Arca schizotoma Dall p. 659
1904	Arca trilineata Osmont p. 90 figs. Plate 9, Figs. 4—4c
1909	Arca (Scapharca) trilineata Dall p. 110 figs. pl. 12, figs. 1, 2
1931	Arca (Arca) trilineata Grant, IV and Gale p. 139
1940	Anadara trilineata Schenck and Keen figs. pl. 50, figs. 1, 2
1943	Anadara (Anadara) trilineata Reinhart pp. 57 - 60 figs. PI. 5, fig. 9; PI. 6, figs. 1-3, 5, 7; PI. 7, fig. 1
1950	Anadara trilineata Woodring and Bramlette
1964	Anadara (Anadara) trilineata Faustman p. 114
1972	Anadara trilineata Hertlein and Grant p. 154
1973	Anadara trilineata Kern
1983	Anadara (Anadara) trilineata Moore p. A40 figs. Plate 7, figures 7-9
2002	Anadara (Anadara) trilineata Hall
2020	Anadara trilineata Hendy

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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	trilineata	()

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 trilineata Conrad 1856

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†Anadara (Anadara) trilineata calcarea Grant, IV and Gale 1931

†Anadara (Anadara) trilineata canalis Conrad 1856

Anadara (Anadara) trilineata trilineata Conrad 1856

Invalid names: Arca schizotoma Dall 1898 [synonym], Arca sulcicosta Gabb 1866 [synonym]

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

Maximum range based only on fossils: base of the Messinian to the top of the Gelasian or 7.24600 to 1.80600 Ma
Minimum age of oldest fossil (stem group age): 5.333 Ma

Collections (113 total)

Time interval	Ma	Country or state	Original ID and collection number
Miocene	23.03 - 5.333	USA (California)	Anadara trilineata (194805 195039 195078 195081)
Late/Upper Miocene	11.608 - 5.333	USA (California)	Anadara trilineata (94813)
Messinian	7.246 - 5.333	USA (California)	Anadara trilineata (194801 194803 194804 194806 194888 195031 195037)
Messinian - Zanclean	7.246 - 3.6	USA (California)	Anadara trilineata (39325 39326 39333 39334 39335 39353 39354 39389 39393 39395 39396 39400 39402 39404)
Early/Lower Pliocene	5.333 - 3.6	USA (California)	Anadara trilineata (97208 97209) Arca trilineata (206366 206367 206369 206370 216913 220177 220183 220186 220189 220190 220197 220198)
Zanclean	5.333 - 3.6	USA (California)	Anadara trilineata (153705 173562)
Zanclean	5.333 - 3.6	Mexico (Baja California)	Anadara trilineata (154115)
Pliocene	5.333 - 2.588	USA (California)	Arca lineata (216868) Arca trilineata (96887 194664 204364 215294 216433 216863 216864 216865 216901 216902 216903 216906 216911)
Zanclean - Gelasian	5.333 - 1.806	USA (California)	Anadara trilineata (214258 214259 214260 214262 214263 214264 214267)
Blancan	4.9 - 1.8	USA (California)	Anadara trilineata (19675 19676 19677 19678 19698)
Late/Upper Pliocene	3.6 - 2.588	USA (California)	Anadara trilineata (96571 96572 96574 96575)
Piacenzian	3.6 - 2.588	USA (California)	Anadara trilineata (189541 189542 189546)
Piacenzian - Gelasian	3.6 - 1.806	USA (California)	Anadara trilineata (214255)
Gelasian	2.588 - 1.806	USA (California)	Anadara trilineata (189560 189561 189758 189759 189762 189765 189766 189767 189768 189769 207642 207646 207647 207649 207651 207654 207655 207656 207662 207665 207667 207675 207693 207694 207697 207699 207713 207724 207727 214277 214278 214279 214280 214285 214286 214287)