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Brachidontes (Brachidontes)

Bivalvia - Mytilida - Mytilidae

Taxonomy
Brachidontes (Brachidontes) was named by Swainson (1840). It is extant.

It was assigned to Brachidontes by Swainson (1840), Moore (1983), Squires (1984), Squires (1987), Squires (1988).

Subtaxa
Brachidontes (Brachidontes) altiobliquus, Brachidontes (Brachidontes) cooperi (syn. Mytilus dichotomus), Brachidontes (Brachidontes) cowlitzensis (syn. Modiola ornata), Brachidontes (Brachidontes) dichotomus, Brachidontes (Brachidontes) kirkerensis, Brachidontes (Brachidontes) lawsoni, Brachidontes (Brachidontes) susanaensis, Brachidontes (Brachidontes) variabilis
Species lacking formal opinion data
Brachidontes araripensis, Brachidontes arcturusensis, Brachidontes arlingtonanus, Brachidontes biali, Brachidontes briarti, Brachidontes charmesi, Brachidontes ciplyana, Brachidontes citrinus, Brachidontes corrugatus, Brachidontes cossmanni, Brachidontes couloni, Brachidontes crebristriatus, Brachidontes crenulata, Brachidontes filisculptus microcostae, Brachidontes filisculptus, Brachidontes fulpensis, Brachidontes fulpensis, Brachidontes grammatus, Brachidontes granulata, Brachidontes guppyi, Brachidontes jeremejewi, Brachidontes kamtschaticus, Brachidontes kovatschensis, Brachidontes lineatus, Brachidontes linguatulus, Brachidontes marginatus, Brachidontes mashikensis, Brachidontes matchgaransis, Brachidontes montensis, Brachidontes multilingera, Brachidontes nankoi, Brachidontes nonbifurcus, Brachidontes ogasawarai, Brachidontes ortmanni, Brachidontes potomacensis, Brachidontes purpuratus, Brachidontes purpuratus, Brachidontes pyriformis, Brachidontes radiatula, Brachidontes rigaulti, Brachidontes rodriguezi, Brachidontes saffordi, Brachidontes sahaleurai, Brachidontes sakakurai, Brachidontes senegalensis, Brachidontes somalicus, Brachidontes stubbsi, Brachidontes suberosus, Brachidontes subpectinatus, Brachidontes taurinensis, Brachidontes tenuisculpta, Brachidontes texanus, Brachidontes vectiensis, Brachidontes vetustus

Synonymy list
YearName and author
1840Brachidontes (Brachidontes) Swainson
1983Brachidontes (Brachidontes) Moore p. A66
1984Brachidontes (Brachidontes) Squires p. 42
1987Brachidontes (Brachidontes) Squires p. 56
1988Brachidontes (Brachidontes) Squires p. 18

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
—MytilomorphiFerussac 1822
orderMytilida(Rafinesque 1815)
superfamilyMytiloideaRafinesque 1815
familyMytilidaeRafinesque 1815
subfamilyMytilinaeRafinesque 1815
genusBrachidontesSwainson 1840
subgenusBrachidontesSwainson 1840

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.

Subg. Brachidontes (Brachidontes) Swainson 1840
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Invalid names: Mytilus dichotomus Cooper 1894 [replaced]
†Brachidontes (Brachidontes) cowlitzensis Weaver and Van Winkle Palmer 1922
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Invalid names: Modiola ornata Gabb 1864 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteg
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Adult height: 10 to < 100f
Thickness: intermediatef
Folds: nonef
Ribbing: minorf
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: blindc
Created: 2007-11-26 08:33:37
Modified: 2009-08-18 19:39:33
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Angulata to the top of the Holocene or 201.40000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 199.5 Ma

Collections (119 total)


Time interval Ma Country or state Original ID and collection number
Angulata201.4 - 199.5France (Lorraine) Mytilus dichotomus (53947)
Cenomanian100.5 - 93.9Jordan Brachidontes fulpensis (154969)
Late/Upper Cenomanian100.5 - 93.9Jordan Brachidontes fulpensis (154977)
Turonian93.9 - 89.8Jordan Brachidontes fulpensis (154978)
Maastrichtian72.2 - 66.0Argentina (Mendoza) Brachidontes sp. (105861 106077 106079 106080 106083 106085 236365)
Paleocene66.0 - 56.0USA (California) Brachidontes lawsoni (11117)
Selandian61.66 - 59.24USA (California) Brachidontes lawsoni (205398) Septifer susanaensis (215686)
Thanetian59.24 - 56.0USA (California) Brachidontes lawsoni (52596 52599) Brachidontes ornatus (52612 52613) Modiolus altiobliquus (239709) Modiolus lawsoni (239715) Septifer susanaensis (239708 239710 239720)
Early/Lower Eocene56.0 - 48.07USA (California) Brachidontes cowlitzensis (111554)
Ypresian56.0 - 48.07USA (California) Brachidontes cowlitzensis (122294 178748 201250) Brachidontes ornatus (52614) Modiolus ornatus (52421 52422 52423 52424 52426 52428 52429 52430 52431 52434)
Ypresian56.0 - 48.07USA (Oregon) Brachidontes cowlitzensis (52266 52267 52268 52272 52273 52275 52278 52303 52304 52305 200795)
Ypresian56.0 - 48.07USA (Washington) Brachidontes cowlitzensis (5544 5549)
Ypresian - Lutetian56.0 - 41.03USA (California) Brachidontes cowlitzensis (8011)
Ypresian - Lutetian56.0 - 41.03USA (Oregon) Volsella cowlitzensis (37871)
Eocene56.0 - 33.9USA (Washington) Septifer dichotomus (241811 241812)
Eocene56.0 - 33.9USA (California) Septifer dichotomus (207118)
Lutetian48.07 - 41.03USA (California) Brachidontes cowlitzensis (5532 8012 16712 94820 94821 94822 94827 178733 194412 194413 194414 200731 200761 200762 200763 200764 200766 200845 200852 201701 202047 207156 207158 207172)
Lutetian48.07 - 41.03USA (Oregon) Mytilus dichotomus (200892 200911 200914)
Lutetian - Bartonian48.07 - 37.71USA (Washington) Mytilus dichotomus (43340 43344 43347)
Bartonian41.03 - 37.71USA (Washington) Brachidontes cowlitzensis, Brachidontes dichotomus (161922) Brachidontes cowlitzensis, Mytilus dichotomus, Septifer dichotomus (52207) Brachidontes dichotomus (161924) Modiolus cowlitzensis, Mytilus dichotomus (203164) Mytilus dichotomus (52208) Mytilus dichotomus, Brachidontes cowlitzensis (52204) Septifer dichotomus (238096)
Bartonian41.03 - 37.71USA (Alaska) Brachidontes cowlitzensis (194397)
Bartonian41.03 - 37.71USA (California) Brachiodontes ornatus (52803) Brachydontes ornatus (52804)
Late/Upper Eocene37.71 - 33.9USA (California) Brachydontes ornatus (239767)
Burdigalian20.45 - 15.98Argentina Brachidontes ortmanni (65179)
Burdigalian20.45 - 15.98Venezuela (Falcon) Brachidontes grammatus (43063)
Early/Lower Pliocene5.333 - 3.6Trinidad and Tobago Brachidontes sp. (60410 60412 60413 60414 60415 60416 60417 60644 60646 60647 60653 60655)
Early/Lower Pleistocene2.58 - 0.774USA (Florida) Brachidontes vetustus (79331)
Pleistocene2.58 - 0.0117Eritrea Mytilus variabilis (101417)
Middle Pleistocene0.774 - 0.129Argentina Brachidontes purpuratus (71605 71606)
Late/Upper Pleistocene0.129 - 0.0117Argentina Brachidontes purpuratus (71610) Brachidontes purpuratus, Brachidontes rodriguezi (71607)
Holocene0.0117 - 0.0Argentina Brachidontes purpuratus (71675 71676)