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Nunikuluk gracilis
Taxonomy
Nunikuluk gracilis was named by Brinkman et al. (2025). Its type specimen is UAMES 42715, a mandible, and it is a 3D body fossil. Its type locality is Jacob’s Bed, Colville River, which is in a Campanian coarse channel fill sandstone in the Prince Creek Formation of Alaska. It is the type species of Nunikuluk.
Synonymy list
| Year | Name and author |
|---|---|
| 2025 | Nunikuluk gracilis Brinkman et al. p. 15 fig. 14 |
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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.
†Nunikuluk gracilis Brinkman et al. 2025
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. B. Brinkman et al. 2025 | A member of Esocidae, based on the presence of C-shaped tooth bases on the dentary. Differs from other members of the family by the following combination of features: dentaries laterally compressed, triangular in shape in lateral view, a single row of large teeth present, mandibular trigeminal canal located relatively far forward along the tooth row, a low ridge separates the sub-dental surface from the lower half of the jaw, and a shallow depression is present on internal surface of the dentary below the sub-dental shelf. |