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Heptodon calciculus

Osteichthyes - Perissodactyla

Taxonomy
Lophiodon calciculus was named by Cope (1880).

It was recombined as Pachynolophus calciculus by Cope (1881); it was synonymized subjectively with Helaletes nanus by Stucky (1984); it was recombined as Heptodon calciculus by Cope (1882), Wortman (1896), Hay (1902), Radinsky (1963), Colbert and Schoch (1998).

Synonyms
Synonymy list
YearName and author
1880Lophiodon calciculus Cope p. 747
1880Lophiodon ventorum Cope p. 747
1881Pachynolophus calciculus Cope p. 197
1881Pachynolophus ventorum Cope p. 197
1882Heptodon calciculus Cope
1882Heptodon ventorum Cope p. 1029
1896Heptodon calciculus Wortman
1896Heptodon ventorum Wortman
1902Heptodon calciculus Hay p. 625
1902Heptodon ventorum Hay p. 625
1963Heptodon calciculus Radinsky p. 33
1984Heptodon ventorum Stucky
1998Heptodon calciculus Colbert and Schoch

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
RankNameAuthor
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Panperissodactyla
superorderPerissodactylamorpha
orderPerissodactyla()
—Tapiromorpha(Haeckel 1873)
—Ceratomorpha(Wood 1937)
superfamilyTapiroideaGill 1872
genusHeptodon
speciescalciculus()

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.

†Heptodon calciculus Cope 1880
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Invalid names: Lophiodon ventorum Cope 1880 [synonym]
Diagnosis
ReferenceDiagnosis
L. B. Radinsky 1963Size small: mean length m1-3 = 35.08 mm. See Table 4