. Bulletin of the British Museum (Natural History), Geology. 294 REVISION OF ACTINOPTERYGIAN AND COELACANTH FISHES Caturus chirotes (Agassiz) (Text-figs. 31-36) Eugnathus chirotes Egerton, p. 368 (name only). Eugnathus chirotes Agassiz, 2, pt. 2, p. 102, pi. 57ft. Conodus ferox Agassiz, 2, pt. 2, p. 105 (name only). Eugnathus (?) chirotes Agassiz : Woodward & Sherborn, p. 77. 1836. 1842. 1844. 1890. 18956. Caturus (Conodus) chirotes (Agassiz) Woodward, p. 344, pi. 7, figs. 2, 3. Diagnosis. See Woodward, 18956 : 344. Holotype. Imperfect fish, P 3643 from the Lower Lias, Lyme Regis.
. Bulletin of the British Museum (Natural History), Geology. 294 REVISION OF ACTINOPTERYGIAN AND COELACANTH FISHES Caturus chirotes (Agassiz) (Text-figs. 31-36) Eugnathus chirotes Egerton, p. 368 (name only). Eugnathus chirotes Agassiz, 2, pt. 2, p. 102, pi. 57ft. Conodus ferox Agassiz, 2, pt. 2, p. 105 (name only). Eugnathus (?) chirotes Agassiz : Woodward & Sherborn, p. 77. 1836. 1842. 1844. 1890. 18956. Caturus (Conodus) chirotes (Agassiz) Woodward, p. 344, pi. 7, figs. 2, 3. Diagnosis. See Woodward, 18956 : 344. Holotype. Imperfect fish, P 3643 from the Lower Lias, Lyme Regis. Material. Specimens in the Geological Survey Museum Nos. 489 and 60124, both from the Lower Lias, Lyme Regis. Fig. 31. Caturus chirotes (Agassiz). Right hyomandibular, external view. From 489a. Description. The genus has been adequately described by Woodward (18956 : 344) and Rayner (1941, 1948 : 288). The following is in the form of a series of notes to supplement these accounts. Hyoid arch. The hyomandibular is a stoutish bone in a nearly vertical position ( 489a). It has a thickened, distinctly rounded head which articulates with the neurocranium by a deep articulatory facet in the prootic. The opercular. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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