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Ischyodus dolloi

Chondrichthyes - Chimaeriformes - Callorhynchidae

Taxonomy
Ischyodus dolloi was named by Leriche (1902).

Sister species lacking formal opinion data
I. williamsae

Synonymy list
YearName and author
1902Ischyodus dolloi Leriche
1991Ischyodus dolloi Ward and Grande p. 325
2022Ischyodus dolloi Bogan and Agnolín p. 861 fig. 7

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
superorderHolocephalomorphaLund 1986
orderChimaeriformesObruchev 1953
familyCallorhynchidae(Garman 1901)
genusIschyodusEgerton 1843
speciesdolloiLeriche 1902

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.

†Ischyodus dolloi Leriche 1902
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Diagnosis
ReferenceDiagnosis
D. J. Ward and L. Grande 1991Ischyodus dolloi is known only by mandibular
and palatine dental plates. Mandibular plate relatively
elongate, AT slender, AOT anterior to the MT, large POT
and small IT present. Enameloid thickening on labial surface
of the occlusal margin absent. Palatine plate with distally
directed AOT, large MT and PITs and up to five OTs along
the occlusal andpost-occlusal margins. Enameloid thickening
on outer surface of the occlusal margin absenl.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Created: 2009-07-21 06:54:26
Modified: 2009-07-21 08:54:26
Source: o = order, subp = subphylum
References: Wagner 2023, Hendy et al. 2009, Carroll 1988

Age range: base of the Danian to the top of the Zanclean or 66.00000 to 3.60000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian - Early/Lower Paleocene72.2 - 61.66USA (New Jersey) Ischyodus dolloi (26819)
Danian66.0 - 61.66USA (Texas) Ischyodus dolloi (198621)
Danian66.0 - 61.66Argentina (Chubut) Ischyodus dolloi (242250)
Selandian - Thanetian61.66 - 56.0USA (Alabama) Ischyodus dolloi (80384)
Ypresian56.0 - 48.07Antarctica Ischyodus dolloi (275713 275714)
Eocene56.0 - 33.9Antarctica Ischyodus dolloi (275712)
Lutetian - Bartonian48.07 - 37.71Antarctica (Seymour Island) Ischyodus dolloi (53666)
Bartonian - Priabonian41.03 - 33.9Antarctica Ischyodus dolloi (31173)
Late/Upper Eocene37.71 - 33.9Antarctica Ischyodus dolloi (120887)
Late/Upper Eocene37.71 - 33.9Chile Ischyodus dolloi (99478)
Messinian7.246 - 5.333Australia (Victoria) Ischyodus dolloi (46167)
Zanclean5.333 - 3.6Australia (Victoria) Ischyodus dolloi (51328 51335)