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Hardistiella montanensis

Agnatha - Petromyzontiformes - Hardistiellidae

Taxonomy
Hardistiella montanensis was named by Janvier and Lund (1983). Its type specimen is MV 7696, a skeleton (complete specimen preserved as a carbonaceous imprint), and it is a compression preserving soft parts. Its type locality is MV 7106, Supercrop Quarry, Bear Gulch, which is in an Arnsbergian lagoonal/restricted shallow subtidal limestone in the Heath Formation of Montana. It is the type species of Hardistiella.

Synonymy list
YearName and author
1983Hardistiella montanensis Janvier and Lund p. 407

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
classAgnathaCope 1889
—HyperoartiaMüller 1844
orderPetromyzontiformesBerg 1940
familyHardistiellidaeHalstead 1993
genusHardistiella
speciesmontanensis

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.

†Hardistiella montanensis Janvier and Lund 1983
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilep
Created: 2009-12-09 04:57:12
Modified: 2009-12-13 03:08:06
Source: c = class, subp = subphylum, p = phylum
References: Whittington et al. 1997, Kiessling 2004, Carroll 1988

Age range: Arnsbergian or 327.00000 to 323.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Arnsbergian327.0 - 323.7USA (Montana) Hardistiella montanensis (type locality: 116654)