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Polyrhizodus attenuatus

Chondrichthyes - Petalodontiformes - Petalodontidae

Taxonomy
Polyrhizodus attenuatus was named by Davis (1883). Its type specimen is BMNH P.2968, a tooth, and it is a 3D body fossil. Its type locality is Armagh, Ireland (BMNH), which is in a Mississippian marine limestone in the United Kingdom.

Synonymy list
YearName and author
1883Polyrhizodus attenuatus Davis
1889Polyrhizodus attenuatus Woodward p. 58

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
orderPetalodontiformes()
familyPetalodontidaeNewberry and Worthen 1866
genusPolyrhizodusM'Coy 1848
speciesattenuatusDavis 1883

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-21 07:09:25
Modified: 2009-07-21 09:09:25
Source: o = order, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Wagner 2023

Age range: Mississippian or 358.90000 to 323.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Mississippian358.9 - 323.2United Kingdom Polyrhizodus attenuatus (type locality: 137333)