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Modiolus (Modiolus)

Bivalvia - Mytilida - Mytilidae

Taxonomy
Modiolus (Modiolus) was named by Lamarck (1799). It is extant.

It was assigned to Modiolus by Lamarck (1799), Oostingh (1935), Moore (1983) and Squires and Goedert (1991).

Subtaxa
Modiolus (Modiolus) auriculatus, Modiolus (Modiolus) clarki (syn. Mytilus merriami), Modiolus (Modiolus) contracta, Modiolus (Modiolus) directus, Modiolus (Modiolus) fountainensis, Modiolus (Modiolus) imbricatus, Modiolus (Modiolus) lagunanus, Modiolus (Modiolus) mandannaensis, Modiolus (Modiolus) meganosensis, Modiolus (Modiolus) merriami, Modiolus (Modiolus) metcalfei, Modiolus (Modiolus) modiolus, Modiolus (Modiolus) moralejai, Modiolus (Modiolus) paronai, Modiolus (Modiolus) pittsburgensis, Modiolus (Modiolus) radiatus, Modiolus (Modiolus) sacculifer, Modiolus (Modiolus) scalprum, Modiolus (Modiolus) veronensis, Modiolus (Modiolus) waverliensis, Modiolus (Modiolus) ynezianus
Species lacking formal opinion data
Modiolus altijugatus, Modiolus arcacea, Modiolus attenuatus, Modiolus baylei, Modiolus beirensis, Modiolus blandus, Modiolus capensis, Modiolus ducatelli, Modiolus eberstadtensis, Modiolus flagellifer, Modiolus formosissimus, Modiolus galpinianus, Modiolus gammalensis, Modiolus gibbosus, Modiolus harrimani, Modiolus inbricatus, Modiolus jolyi, Modiolus kremmlingensis, Modiolus lobatus, Modiolus lorioli, Modiolus mediocarinatus, Modiolus minalatus, Modiolus mingaudi, Modiolus minuta, Modiolus nysti, Modiolus parallelus, Modiolus parvoblongus, Modiolus perryi, Modiolus purpuratus, Modiolus qinghaiensis, Modiolus romani, Modiolus rusticus, Modiolus semicircularis, Modiolus sestiniae, Modiolus siliquus, Modiolus subimbricatus, Modiolus suprarectus, Modiolus thiollierei, Modiolus thiollieri, Modiolus thomsoni, Modiolus transiens, Modiolus trequetra, Modiolus triangulus, Modiolus wanizakiensis, Modiolus waverliensis

Synonymy list
YearName and author
1799Modiolus (Modiolus) Lamarck
1935Modiolus (Modiolus) Oostingh p. 161
1983Modiolus (Modiolus) Moore p. A74
1991Modiolus (Modiolus) Squires and Goedert p. 413

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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)
subgenusModiolusLamarck 1799

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.

Diagnosis
No diagnoses are available
Measurements
partNmean
valve height128.8

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

Maximum range based only on fossils: base of the Chesterian to the top of the Holocene or 335.50000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 330.9 Ma

Collections (410 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Chesterian - Brigantian335.5 - 330.9USA (Ohio) Modiolus waverliensis, Modiolus fountainensis (85363)
Chesterian335.5 - 323.2USA (Arizona) Modiola fountainensis (124256)
Chesterian335.5 - 323.2USA (West Virginia) Modiolus waverliensis (92970)
Serpukhovian330.9 - 323.2USA (West Virginia) Modiolus waverliensis (56142)
Atokan318.6 - 312.8USA (Ohio) Modiolus radiatus (79377)
Olenekian - Anisian251.2 - 242.0Jordan (Janoobiah) Volsella paronai (201986)
Anisian247.2 - 242.0China (Guizhou) Modiolus paronai (42277 42279 42368)
Middle Triassic247.2 - 237.0China (Guizhou) Modiolus paronai (42278)
Carnian237.0 - 228.0Germany Modiolus transiens (47402 47403 47404 47405 47406)
Carnian237.0 - 228.0Italy Modiolus paronai (164191)
Late/Upper Triassic237.0 - 201.4Italy (Bergamo) Modiola paronai (202322)
Julian235.0 - 232.0Slovenia Modiolus paronai (57097 160963)
Julian235.0 - 232.0Italy (Lombardy) Modiolus paronai (85245 85246)
Julian235.0 - 232.0Italy (Belluno) Modiolus paronai (207478)
Julian235.0 - 232.0Italy Modiolus paronai (69664 202422)
Jurassic201.4 - 145.0Tunisia Modiolus imbricatus (13787)
Jurassic - Late/Upper Jurassic201.4 - 145.0Tunisia Modiolus imbricatus (13812 13861 13862 13906)
Hettangian201.3 - 199.3Canada (British Columbia) Modiolus scalprum (53472)
Early/Lower Hettangian201.3 - 196.5Germany Modiolus imbricatus (28867)
Late/Upper Hettangian201.3 - 196.5Germany Modiolus imbricatus (28869)