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Myledaphus

Chondrichthyes - Rajiformes - Rhinobatidae

Taxonomy
Myledaphus was named by Cope (1876) [Sepkoski's age data: K Camp-u T Eo-l Sepkoski's reference number: 863]. Its type is Myledaphus bipartitus.

It was assigned to Chimaeridae by Hay (1902); to Dasyatidae by Estes (1964), Estes and Berberian (1970), Case (1978); to Rhinobatoidei by Cappetta (1987); to Batoidea by Bryant (1989); to Anacoracidae by Pearson et al. (2002); to Chimaeriformes by Sepkoski (2002); to Rajiformes by Peng et al. (2001), Bourdon et al. (2011); and to Rhinobatidae by Hoganson et al. (2019).

Species
M. bipartitus (type species), M. pustulosus

Synonymy list
YearName and author
1876Myledaphus Cope pp. 260-261
1902Myledaphus Hay p. 326
1964Myledaphus Estes p. 15
1970Myledaphus Estes and Berberian p. 3
1978Myledaphus Case p. 198
1987Myledaphus Cappetta p. 139
1989Myledaphus Bryant p. 12
2001Myledaphus Peng et al. p. 8
2002Myledaphus Pearson et al. p. 154
2002Myledaphus Sepkoski
2011Myledaphus Bourdon et al. p. 40
2019Myledaphus Hoganson et al. p. 32

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
—NeoselachiiCompagno 1977
superorderBatomorphii
orderRajiformesBerg 1940
suborderRhinobatoideiFowler 1941
familyRhinobatidaeMüller and Henle 1837
genusMyledaphus

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. †Myledaphus Cope 1876
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†Myledaphus bipartitus Cope 1876
†Myledaphus pustulosus Cook et al. 2014
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Created: 2009-07-21 07:15:23
Modified: 2009-07-21 09:15:23
Source: o = order, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Wagner 2023

Age range: base of the Middle Turonian to the top of the Danian or 93.90000 to 61.66000 Ma

Collections (234 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Turonian93.9 - 89.8Uzbekistan (Karakalpakstan) M. sp. (59698)
Middle Turonian - Late/Upper Turonian93.9 - 89.8Uzbekistan (Navoi) M. tritus (46959)
Early/Lower Santonian - Middle Santonian85.7 - 83.6USA (New Mexico) M. sp. (52037)
Late/Upper Santonian85.7 - 83.6Canada (Alberta) M. sp. (48834)
Campanian83.6 - 72.2USA (Wyoming) M. sp. (35367)
Early/Lower Campanian83.6 - 72.2USA (Montana) M. bipartitus (187420)
Early/Lower Campanian83.6 - 72.2USA (Utah) M. bipartitus (167494)
Judithian83.6 - 72.2USA (Wyoming) M. bipartitus (14458)
Judithian83.6 - 72.2USA (Utah) M. bipartitus (75834)
Late/Upper Campanian83.6 - 72.2USA (Utah) M. bipartitus (219712)
Late/Upper Campanian83.6 - 72.2Canada (Alberta) M. bipartitus (22640 22695 22696 22697 22698 34302 34303 34305 34307 34309 34310 34311 34312 34313 34315 34319 34320 34321 34322 45238 45260 45261 45262 45264 45671 45674 45822 45893 45897 45898 47784 47793 47807 47811 47812 47814 47816 67894 98674 98677 227125) M. sp. (22659 188996 219724)
Late/Upper Campanian83.6 - 72.2Mexico (Coahuila) M. sp. (154244)
Late/Upper Campanian83.6 - 72.2USA (Montana) M. bipartitus (69150)
Late/Upper Campanian83.6 - 72.2USA (Wyoming) M. bipartitus (70253 70268 70269 70451 70453 70454 70455 70488 70489 70490 70499 70500 70501)
Late/Upper Campanian83.6 - 72.2USA (New Mexico) M. bipartitus (36449 36541 36542 52052) M. sp. (14472 62481 230007)
Middle Campanian83.6 - 72.2Canada (Alberta) M. bipartitus (45240 45560 45561 45564 45565 45566 45567 45670 45820 47794 47795 47809)
Middle Campanian83.6 - 72.2USA (Montana) M. sp. (14437)
Middle Campanian - Late/Upper Campanian83.6 - 72.2USA (Montana) M. bipartitus (59217 69153 69161 69177 69178 69250 69251 69252 69253 69450 177498) M. sp. (14434 14457 14462 14490 50907 51682 167800)
Middle Campanian - Late/Upper Campanian83.6 - 72.2Canada (Alberta) M. bipartitus (45821 45894 116536) M. sp. (167986)
Middle Campanian - Late/Upper Campanian83.6 - 72.2Canada (Saskatchewan) M. bipartitus (75030 229975) M. sp. (14494)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Mexico (Coahuila) M. bipartitus (69800)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0USA (Colorado) M. bipartitus (167302)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Canada (Alberta) M. sp. (34744)
Late/Upper Campanian - Maastrichtian83.6 - 66.0Canada (Alberta) M. bipartitus (45757)
Early/Lower Maastrichtian72.2 - 66.0Canada (Alberta) M. bipartitus (14502) M. sp. (135740 135743 220119)
Lancian72.2 - 66.0USA (Wyoming) M. bipartitus (14505 14514 14519 14522 14527 14538 14541 14542 14543 14544 14557 14564 14565 14570 14577 14578 14579 14596 14598 14601 14609 14625 14641 14642 14643 45844 70340 70343 75287 75296 75429 75431 75442 75447) M. sp. (14524)
Lancian72.2 - 66.0USA (North Dakota) M. bipartitus (14610 14620 14621 53234 137731) M. sp. (137706 137728)
Lancian72.2 - 66.0USA (Colorado) M. bipartitus (14640)
Lancian72.2 - 66.0USA (South Dakota) M. bipartitus (14537 14571 192251)
Lancian72.2 - 66.0Canada (Saskatchewan) M. bipartitus (14655)
Lancian72.2 - 66.0USA (Montana) M. bipartitus (14508 14513 14515 14533 14534 14535 14536 14546 14548 14549 14560 14574 14580 14582 14613 14615 14639 14653 14654) M. pustulosus (144500 144502)
Late/Upper Maastrichtian72.2 - 66.0USA (Wyoming) M. bipartitus (14585 57162 57163 57166 57168)
Late/Upper Maastrichtian72.2 - 66.0USA (South Dakota) M. bipartitus (45389 45390 47034) M. pustulosus (224484)
Late/Upper Maastrichtian72.2 - 66.0USA (North Dakota) M. bipartitus (45098 45099 45102 45109 45110 45111 45112 45117 45118 45119 45122 45128 45130 45134 45136 45137 45144 45145 45299) M. sp. (122903 213583 213586 213589 213615)
Late/Upper Maastrichtian72.2 - 66.0USA (New Mexico) M. sp. (59068)
Late/Upper Maastrichtian72.2 - 66.0Canada (Alberta) M. bipartitus (14569)
Late/Upper Maastrichtian72.2 - 66.0USA (Montana) M. bipartitus (13142 14674 183109 189003)
Late/Upper Maastrichtian72.2 - 66.0Canada (Saskatchewan) M. bipartitus (45675) M. sp. (14555 35251)
Maastrichtian72.2 - 66.0USA (South Dakota) M. bipartitus (90926)
Danian66.0 - 61.66USA (North Dakota) M. sp. (14962)