Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Orthacanthus compressus

Chondrichthyes - Xenacanthiformes - Diplodoselachidae

Taxonomy
Diplodus compressus was named by Newberry (1856). It is not extant.

It was recombined as Didymodus compressus by Cope (1883) and Cope (1884); it was recombined as Dittodus compressus by Hay (1902); it was recombined as Pleuracanthus compressus by Eastman (1903); it was recombined as Orthacanthus compressus by Johnson (1999).

Synonyms
Synonymy list
YearName and author
1856Diplodus compressus Newberry
1856Diplodus gracilis Newberry p. 99
1856Diplodus latus Newberry p. 99
1868Diplodus penetrans Dawson
1883Didymodus compressus Cope p. 108
1884Didymodus compressus Cope p. 527
1889Diplodus compressus Woodward p. 12
1889Diplodus latus Woodward p. 12
1889Diplodus gracilis Woodward p. 13
1902Dittodus compressus Hay p. 266
1902Dittodus gracilis Hay p. 266
1902Dittodus latus Hay p. 266
1902Dittodus penetrans Hay p. 266
1903Pleuracanthus compressus Eastman p. 167
1999Orthacanthus compressus Johnson p. 243 figs. 2,3,15-20

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
infraclassXenacanthimorpha
orderXenacanthiformesBerg 1955
familyDiplodoselachidaeDick 1981
genusOrthacanthus
speciescompressus(Newberry 1856)

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