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Polyacrodus polycyphus

Chondrichthyes - Hybodontiformes - Polyacrodontidae

Taxonomy
Hybodus polycyphus was named by Agassiz (1843). It is the type species of Polyacrodus.

It was recombined as Polyacrodus polycyphus by Jaekel (1889), Maisey (1987), Biddle (1993).

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

Synonyms
Synonymy list
YearName and author
1843Hybodus polycyphus Agassiz p. 193
1861Orodus triadeus Schmid p. 11 figs. 38-40
1889Polyacrodus polycyphus Jaekel p. 324 figs. Pl 9, figs 5-9
1889Hybodus polycyphus Woodward p. 253
1987Polyacrodus polycyphus Maisey p. 27
1993Polyacrodus polycyphus Biddle p. 197

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

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 polycyphus Agassiz 1843
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Invalid names: Orodus triadeus Schmid 1861 [synonym]
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: base of the Longobardian to the top of the Rhaetian or 239.48000 to 201.40000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Ladinian241.464 - 237.0Germany Hybodus polycyphus (137656)
Longobardian239.48 - 237.0France (Grand Est) Polyacrodus polycyphus (139873 139874)
Rhaetian205.7 - 201.4Germany Hybodus polycyphus (122369)