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Haliskia peterseni
Taxonomy
Haliskia peterseni was named by Pentland et al. (2024). Its type specimen is KK F1426, a partial skeleton (Anterior portion of skull including partial premaxillary crest; complete mandible; both ceratobranchials; one cervical vertebra, one dorsal vertebra; twelve dor), and it is a 3D body fossil. Its type locality is Dig Site Three, NW of Richmond, which is in an Albian offshore lime mudstone/siltstone in the Toolebuc Formation of Australia. It is the type species of Haliskia.
Synonymy list
Year | Name and author |
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2024 | Haliskia peterseni Pentland et al. p. 2 figs. 3-10 |
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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.
†Haliskia peterseni Pentland et al. 2024
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Diagnosis
Reference | Diagnosis | |
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A. H. Pentland et al. 2024 | Haliskia peterseni can be distinguished from other anhanguerians by the following combination of characters (autapomorphies marked with an asterisk): anterior margin of the premaxilla fattened; anterior portions of jaws not laterally expanded; alveolar borders infated relative to jawline; subtle palatal ridge which begins at the 2nd tooth pair and extends until the 8th; premaxillary crest level with anterior margin of skull, rises steeply at an angle of 30°; comparatively short mandibular crest; ceratobranchial: skull length ratio 70%*; 4th and 5th teeth smaller than 3rd and 6th*; 2nd and 5th alveoli smaller than pairs 3–4 and 6–8*; marked increase in interalveolar spacing afer the 6th alveoli. |
Measurements
No measurements are available
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Source: o = order, c = class, subp = subphylum | |||||
References: Padian 1985, Hendy et al. 2009, Carroll 1988 |
Age range: Late/Upper Albian or 105.30000 to 99.60000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Albian | Australia (Queensland) | Haliskia peterseni (type locality: 235290) |