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Modiolus attenuatus

Bivalvia - Mytilida - Mytilidae

Taxonomy
Mytilus attenuatus was named by Meek and Hayden (1857) [DISTRIBUTION: Campanian; Western Interior.]. It is not a trace fossil.

It was recombined as Modiola attenuata by Deshayes (1836) and Meek and Hayden (1860); it was recombined as Volsella attenuata by Russell and Landes (1937); it was recombined as Modiolus attenuatus by Speden (1970); it was recombined as Lithophaga (Labis) attenuata by Coan et al. (2000), Hendy (2021).

Synonymy list
YearName and author
1836Modiola attenuata Deshayes p. 28
1857Mytilus attenuatus Meek and Hayden p. 86
1860Modiola attenuata Meek and Hayden p. 427
1937Volsella attenuata Russell and Landes p. 143
1970Modiolus attenuatus Speden pp. 77 - 78 figs. Plate 17, fig. 4
2000Lithophaga (Labis) attenuata Coan et al. p. 1811
2021Lithophaga (Labis) attenuata Hendy

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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
genusModiolus(Lamarck 1801)
speciesattenuatus(Meek and Hayden 1857)

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.

†Modiolus attenuatus Meek and Hayden 1857
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Composition 2: low Mg calcitef
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
Epibiont: yesg
Life habit: semi-infaunalg
Diet: suspension feederg
Vision: blindc
Created: 2004-02-29 15:52:47
Modified: 2009-09-09 10:25:35
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Late/Upper Cenomanian to the top of the Late/Upper Maastrichtian or 100.50000 to 66.00000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Cenomanian100.5 - 93.9USA (Arizona) Modiolus attenuatus (53509)
Middle Turonian93.9 - 89.8USA (Arizona) Modiolus attenuatus (53504)
Late/Upper Campanian83.6 - 72.2Canada (Alberta) Volsella attenuata (82638)
Late/Upper Maastrichtian72.2 - 66.0USA (South Dakota) Modiolus attenuatus (88511)