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Sakhalinia
Taxonomy
Sakhalinia was named by Nazarkin et al. (2013). Its type is Sakhalinia multispinata.
It was assigned to Hexagrammidae by Nazarkin et al. (2013).
It was assigned to Hexagrammidae by Nazarkin et al. (2013).
Species
S. multispinata (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Sakhalinia Nazarkin et al. p. 795 figs. Figs. 2, 3 |
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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.
G. †Sakhalinia Nazarkin et al. 2013
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†Sakhalinia multispinata Nazarkin et al. 2013
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. V. Nazarkin et al. 2013 | Hexagrammid with body moderately elongate; mouth gape reduced and terminal; jaws with elongate, slender and recurved teeth; palatine teeth present; posterior preopercular margin entire, without spines; vertebrae, 44 (22 + 22); cau- dal skeleton with parhypural, hypurals 1+2 and 3+4 fused, and large autogenous fifth hypural; caudal fin with 14 (six upper and eight lower) principal caudal fin rays; dorsal fin continuous, not notched, with 25 strong spines and 13 rays; anal fin with four thick spines supported by robust pterygiophores and 12 rays; anal-fin spines become longer posteriorly in the series; first dorsal and anal-fin pterygiophores support three spines each, two are in supernumerary association; pectoral fin relatively low on the body flank; (at least) 11 pectoral-fin rays; ventral arm of the coracoid robust and firmly associated to the cleithrum; basipterygium massive with poorly developed anterior process; body covered with small ctenoid scales; single series of lateral line scales. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Serravallian to the top of the Tortonian or 13.82000 to 7.24600 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Serravallian - Tortonian | Russian Federation (Sakhalin) | S. multispinata (207771) |