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Gonostoma dracula
Taxonomy
Gonostoma dracula was named by Gradianu et al. (2017). Its type specimen is MSNPN-PC No. 820, a skeleton, and it is a 3D body fossil. Its type locality is Piatra Pinului, which is in a Rupelian marine shale in the Kliwa Sandstone Formation of Romania.
Synonymy list
Year | Name and author |
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2017 | Gonostoma dracula Gradianu et al. p. 325 figs. Figures 2, 3A, B, 5A, B, 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.
†Gonostoma dracula Gradianu et al. 2017
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Diagnosis
Reference | Diagnosis | |
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I. Gradianu et al. 2017 | The head is longer than the depth of the body, head length about 4.6 in SL. Small orbit, about 2.4 in body depth. The maxilla bears eight conical teeth, with two dif- ferent lengths: elongate, fang-like, with the interspaces oc- cupied by small acicular teeth. The urohyal has an almost straight posterior margin. Vertebrae 40 (19 + 21). The left and right parts of the neural arches from the first 18 verte- brae are not fused in the midline. The epineurals from the first 21 vertebrae are attached to the base of the neural ar- ches/spines. A single robust supraneural is present and inserted between the neural arches of the fourth and fifth vertebrae. Epipleurals are thin and inserted at the bases of the first three haemal spines. Dorsal fin rays 12 or 13. Anal fin with about 28 rays. Pectoral-fin rays very long (28% SL). |
Measurements
No measurements are available
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Source: o = order, subp = subphylum | |||||
References: Hendy et al. 2009, Carroll 1988 |