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Polyacrodus ritchiei

Chondrichthyes - Hybodontiformes - Polyacrodontidae

Taxonomy
Polyacrodus ritchiei was named by Johnson (1981). Its type specimen is SMP-SMU 64555, a tooth, and it is a 3D body fossil. Its type locality is Rattlesnake Canyon RC, which is in an Artinskian marine horizon in the Admiral Formation of Texas.

Sister species lacking formal opinion data
P. balabansaiensis, P. brabanticus, P. levis, P. prodigialis, P. siversoni, P. torosus

Synonymy list
YearName and author
1981Polyacrodus ritchiei Johnson p. 12 figs. 2,99-123,178-185

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
subclassEuselachii()
infraclassHybodonta
orderHybodontiformes(Patterson 1966)
superfamilyHybodontoidea
familyPolyacrodontidae
genusPolyacrodus
speciesritchiei

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.

†Polyacrodus ritchiei Johnson 1981
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Life habit: nektonicc
Diet: carnivorec
Created: 2004-08-17 13:49:23
Modified: 2009-12-13 03:31:01
Source: c = class, subp = subphylum
References: Wagner 2023, Carroll 1988

Age range: Artinskian or 290.10000 to 283.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Artinskian290.1 - 283.3USA (Texas) Polyacrodus ritchiei (type locality: 117099)