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Swiss Journal of Palaeontology
Fig. 4 | Swiss Journal of Palaeontology

Fig. 4

From: Aspistor verumquadriscutis, a new fossil species of sea catfishes (Siluriformes; Ariidae) from the upper Miocene of Venezuela

Fig. 4

Ventral view of broken neurocrania, posterior portion, Weberian apparatus and anterior axial skeleton. a Holotype of Aspistor verumquadriscutis, UNEFM-PF-3222, preserved length 56.2 mm; b Ventral view of complete neurocrania, Weberian apparatus and anterior axial skeleton from Recent A. quadriscutis, UNEFM PR 068; c Ventral view of complete neurocrania, Weberian apparatus and anterior axial skeleton from Recent A. luniscutis, MZUSP 51690. Ba Basioccipital, Mr Müllerian ramus, oac opening of the aortic canal, oc otic capsule, Pa5 6 parapophyses of the fifth and sixth vertebrae, Pecv posterior expansion of the complex vertebra, Ph Pterosphenoid, Pp Paresphenoid, Pr Prootic, Pt Pterotic, Sp Sphenotic, Svo Superficial ventral ossification of the Weberian apparatus, Svp Subvertebral process, Tp Transcapular process, Tr Tripus

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