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Orthodesma

Bivalvia - Modiomorphida - Modiomorphidae

Taxonomy
Orthodesma was named by Hall and Whitfield (1875) [Sepkoski's age data: O Ashg-m Sepkoski's reference number: 1046]. Its type is Orthodesma rectum.

It was synonymized subjectively with Modiolopsis by Cox et al. (1969).

It was assigned to Modiomorphidae by Vokes (1980); and to Mytiloida by Sepkoski (2002).

Species
O. approximatum, O. canaliculatum, O. nasutum, O. postplicatum, O. prolatum, O. pulaskiense, O. rectum (type species)
Species lacking formal opinion data
O. subangulatum

Synonymy list
YearName and author
1875Orthodesma Hall and Whitfield p. 93
1980Orthodesma Vokes p. 70
2002Orthodesma Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderModiomorphida(Newell 1969)
superfamilyModiomorphoidea(Miller 1877)
familyModiomorphidae
genusOrthodesmaHall and Whitfield 1875

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.

G. †Orthodesma Hall and Whitfield 1875
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†Orthodesma approximatum Foerste 1914
†Orthodesma canaliculatum Ulrich 1894
†Orthodesma nasutum Hall 1847
†Orthodesma postplicatum Foerste 1914
†Orthodesma prolatum Foerste 1914
†Orthodesma pulaskiense Foerste 1914
†Orthodesma rectum Whitfield 1875
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
valve height312.912.413.812.60.770
valve diagonal327.124.729.627.32.44

Composition: aragonitec
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Thickness: intermediateg
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Locomotion: stationaryf
Attached: yesf
Life habit: epifaunalf
Diet: suspension feederf
Vision: blindc
Comments: BODY SIZE: Data from Cox et al. (1969).g
Created: 2009-06-05 12:00:33
Modified: 2009-06-05 14:00:33
Source: g = genus, f = family, c = class
References: Hendy 2009, Aberhan et al. 2004, Cox et al. 1969

Age range: base of the Longvillian to the top of the Pridoli or 457.20000 to 419.20000 Ma

Collections (73 total)


Time interval Ma Country or state Original ID and collection number
Whiterockian - Mohawkian470.0 - 451.0USA (Minnesota) O. sp. (10767)
Whiterockian - Blackriveran470.0 - 449.6USA (Minnesota) O. sp. (23547)
Middle Ordovician - Late/Upper Ordovician470.0 - 443.8USA (Wisconsin, Illinois, Iowa) O. sp. (23553)
Caradoc458.4 - 449.5USA (Colorado) O. sp. (10380)
Blackriveran457.3 - 449.6USA (Illinois, Iowa) O. sp. (23612)
Blackriveran457.3 - 449.6USA (Minnesota) O. litoralis (23083 23085) O. sp. (23555)
Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) O. sp. (23623 23644)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Minnesota) O. sp. (23558)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) O. sp. (23622)
Rocklandian - Shermanian457.3 - 449.6USA (Minnesota) O. sp. (23550)
Shermanian457.3 - 449.6USA (Illinois, Iowa) O. sp. (23651 23653 23656 23659 23664 23667 23668 23670)
Shermanian457.3 - 449.6USA (Tennessee) O. spp. (5350)
Shermanian457.3 - 449.6USA (Minnesota, Illinois, Iowa) O. sp. (23552)
Shermanian457.3 - 449.6USA (Minnesota) O. sp. (23579 23584)
Longvillian457.2 - 455.0United Kingdom (Wales) O. sp. (13832)
Chatfieldian453.8 - 451.0Canada (Ontario) O. canaliculatum (26273)
Katian453.0 - 445.2USA (Kentucky) O. sp. (181722)
Eastonian452.7 - 449.5Australia (Tasmania) O. sp. (2687)
Edenian451.0 - 450.2USA (Minnesota) O. sp. (23588)
Edenian451.0 - 450.2USA (Illinois, Iowa) O. sp. (23678)
Edenian451.0 - 450.2USA (Ohio) O. sp. (383 385)
Edenian - Maysvillian451.0 - 449.6Canada (Ontario) O. canaliculatum (173027)
Edenian - Maysvillian451.0 - 449.6USA (Minnesota) O. sp. (23603)
Edenian - Maysvillian451.0 - 449.6USA (Minnesota, Iowa, Wisconsin, Illinois) O. sp. (23554)
Edenian - Maysvillian451.0 - 449.6USA (Illinois, Iowa) O. sp. (23682)
Maysvillian450.2 - 449.6USA (Ohio) O. sp. (387 391)
Maysvillian450.2 - 449.6USA (Minnesota) O. sp. (23607)
Maysvillian450.2 - 449.6USA (Virginia) O. nasutum (5398) O. sp. (5396)
Maysvillian450.2 - 449.6USA (Illinois, Iowa) O. sp. (23684)
Maysvillian450.2 - 449.6USA (New York) O. pulaskiense (173272)
Maysvillian450.2 - 449.6Canada (Ontario) O. nasutum (173249)
Maysvillian450.2 - 449.6Canada (Quebec) O. approximatum (155174)
Maysvillian - Richmondian450.2 - 445.5USA (Minnesota) O. caniculatum (357)
Maysvillian - Ashgill450.2 - 443.7USA (Ohio) O. sp. (389 390)
Richmondian449.6 - 445.5USA (Ohio) O. canaliculatum (5326) O. sp. (367 368 395)
Richmondian449.6 - 445.5USA (Minnesota) O. canaliculatum (173276)
Richmondian449.6 - 445.5USA (Iowa) O. sp. (356)
Richmondian449.6 - 445.5USA (Michigan) O. subangulatum, O. sp. (26313)
Richmondian449.6 - 445.5USA (Indiana) O. sp. (373 374)
Richmondian449.6 - 445.5Canada (Ontario) O. canaliculatum (173117)
Richmondian - Ashgill449.6 - 443.7USA (Ohio) O. sp. (392 394)
Ashgill449.5 - 443.7Australia (Tasmania) O. sp. (26239)
Hirnantian445.2 - 443.4Australia (Tasmania) O. sp. (26240)
Llandovery443.4 - 433.4USA (New York) O. sp. (449 450 451)
Llandovery443.4 - 433.4Canada (Ontario) O. sp. (444)
Aeronian440.8 - 438.5USA (New York) O. curtum (82527)
Aeronian - Telychian440.8 - 433.4USA (New York) O. curtum (81900 81901)
Telychian438.5 - 433.4USA (New York) O. curtum (82569)
Ludlow427.4 - 423.0USA (New York) O. sp. (76664)
Pridoli423.0 - 419.2USA (New York) O. sp. (493)