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Brachidontes mississippiensis

Bivalvia - Mytilida - Mytilidae

Taxonomy
Modiola mississippiensis was named by Conrad (1848) [DISTRIBUTION: Early Oligocene; Gulf Coastal Plain.]. Its type specimen is ANSP 30646, a shell, and it is a 3D body fossil. Its type locality is Vicksburg, which is in a Rupelian marine marl in the Byram Marl Formation of Mississippi.

It was recombined as Perna mississippiensis by Conrad (1866); it was recombined as Modiolus (Brachydontes) mississippiensis by Dall (1898); it was recombined as Modiolus mississippiensis by Cooke (1922); it was recombined as Brachidontes mississippiensis by Mansfield (1940), Gardner (1945), Dockery (1982).

Sister species lacking formal opinion data
B. araripensis, B. arcturusensis, B. arlingtonanus, B. biali, B. briarti, B. charmesi, B. ciplyana, B. citrinus, B. corrugatus, B. cossmanni, B. crebristriatus, B. crenulata, B. filisculptus, B. filisculptus microcostae, B. fulpensis, B. granulata, B. guppyi, B. jeremejewi, B. kamtschaticus, B. kovatschensis, B. lineatus, B. linguatulus, B. marginatus, B. mashikensis, B. matchgaransis, B. montensis, B. multilingera, B. nankoi, B. nonbifurcus, B. ogasawarai, B. potomacensis, B. purpuratus, B. pyriformis, B. radiatula, B. rigaulti, B. saffordi, B. sahaleurai, B. sakakurai, B. senegalensis, B. somalicus, B. stubbsi, B. suberosus, B. taurinensis, B. tenuisculpta, B. texanus, B. vectiensis, B. couloni, B. subpectinatus, B. fulpensis, B. grammatus, B. ortmanni, B. purpuratus, B. rodriguezi, B. vetustus

Synonymy list
YearName and author
1848Modiola mississippiensis Conrad p. 295
1866Perna mississippiensis Conrad p. 27
1898Modiolus (Brachydontes) mississippiensis Dall p. 796
1922Modiolus mississippiensis Cooke p. 84
1940Brachidontes mississippiensis Mansfield p. 176
1945Brachidontes mississippiensis Gardner p. 38
1982Brachidontes mississippiensis Dockery p. 38

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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
speciesmississippiensis()

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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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: Early/Lower Oligocene or 33.90000 to 27.30000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Oligocene33.9 - 27.3Mexico (Nuevo Leon) Brachidontes mississippiensis (43082)
Rupelian33.9 - 27.3USA (Mississippi) Brachidontes mississippiensis (5867 5999 6003 6006) Modiola mississippiensis (84137)
Rupelian33.9 - 27.3Mexico (Nuevo Leon) Brachidontes mississippiensis (43068)