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Chirodipterus grandiceps

Dipnorhynchiformes - Chirodipteridae

Taxonomy
Chirodipterus grandiceps was named by Campbell and Barwick (1990). It is not extant.

Synonyms
  • Sunwapta grandiceps was named by Thomson (1967) [A very large dipnoan fish: estimated length of skull approximately 22 cm., estimated standard length approximately 1 metre. Marine in occurrence. Tooth plates large and lacking separate denticles. Lower tooth plates differentiated peripherally by the presence of grooves separating approximately parallel ridges that show faint signs of becoming subdivided into small denticles. Dorsal surfaces of the ridges covered with enamel similar to that covering the dermal bones. Central and posterior portions of the tooth plates smooth and lacking the enamel covering (in all probability this is lost through wear during the life of the animal). Dermal bones of the lower jaw massive and bearing an external covering of enamel identical with that found in typical Dipterus Sedgwick and Murchison.]. It is not extant. Its type specimen is UAGM477, a mandible (symphysis and the anterior portions of the rami of the lower jaws). Its type locality is Sunwapta-type locality, which is in a Devonian marine horizon in Canada.

    It was replaced with Chirodipterus grandiceps by Campbell and Barwick (1990).
Synonymy list
YearName and author
1967Sunwapta grandiceps Thomson
1990Chirodipterus grandiceps Campbell and Barwick

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
RankNameAuthor
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
—DipnomorphaAhlberg 1991
—Dipnoi(Müller 1884)
orderDipnorhynchiformes
familyChirodipteridae
genusChirodipterusGross 1933
speciesgrandiceps

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.

†Chirodipterus grandiceps Campbell and Barwick 1990
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Invalid names: Sunwapta grandiceps Thomson 1967 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Created: 2009-07-20 21:50:54
Modified: 2009-07-20 23:50:54
Source: c = class, subp = subphylum
References: Hendy et al. 2009, Kiessling 2004, Carroll 1988

Age range: Late/Upper Devonian or 382.31000 to 358.86000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Devonian382.31 - 358.86Canada (Alberta) Sunwapta grandiceps (196744)