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Hystricurus contractus
Taxonomy
Hystricurus contractus was named by Ross (1951). Its type specimen is YPM 17962, a cephalon/head (cranidium), and it is a 3D body fossil. Its type locality is Locality 6, Hillyard's Canyon, Zone "F", which is in a Stairsian shallow subtidal horizon in the Garden City Formation of Idaho.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Hystricurus contractus Ross p. 48 figs. Pl. 10, figs. 4, 6, 7 |
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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.
†Hystricurus contractus Ross 1951
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, c = class | |||||
| References: Harrington et al. 1959, Aberhan et al. 2004, Whittington et al. 1997, Fortey and Owens 1999 | |||||