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. Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ... By Richard Lydekker ... Reptiles, Fossil; Amphibians, Fossil. ANTHRACOSATTKrDiE. 163 Genus LOXOMMA, Huxley1. Syn. Orthosaurus, Barkas 2. Macrosaurus, Barkas3. Megalocephalus, Barkas 4. Skull (fig. 37) forming an isosceles triangle, with large postero- external expansions, small epiotic cornua, and very deep auditory slits; orbits very large, of irregular oval contour, with a projecting Fiar. Loxomma allmani.—Frontal aspect of cranium, with the sculpture omitted ; from the Carboniferous of Northumbe
. Catalogue of the fossil Reptilia and Amphibia in the British Museum (Natural history) ... By Richard Lydekker ... Reptiles, Fossil; Amphibians, Fossil. ANTHRACOSATTKrDiE. 163 Genus LOXOMMA, Huxley1. Syn. Orthosaurus, Barkas 2. Macrosaurus, Barkas3. Megalocephalus, Barkas 4. Skull (fig. 37) forming an isosceles triangle, with large postero- external expansions, small epiotic cornua, and very deep auditory slits; orbits very large, of irregular oval contour, with a projecting Fiar. Loxomma allmani.—Frontal aspect of cranium, with the sculpture omitted ; from the Carboniferous of Northumberland. About \. PF, prefrontal. Other letters as in fig. 31. (After Miall) process from the inner and outer borders a short distance behind the middle; nares small, oval, and widely separated; a lyra situated on two preorbital ridges ; frontal excluded from orbit by junction of prefrontal and postfrontal; anterior border of orbit formed by prefrontal and lachrymal. Premaxillary teeth three or four in number, and larger than those of maxilla ; large palato- vomerine tusks before and behind posterior nares; mandibular teeth few, unequal, and many of them very large. Crowns of teeth 1 Quart. Journ. Geol. Soc. vol. xviii. p. 293 (1862). 2 Coal-Measure Palaeontology, p. 61, pi. viii. (1873). 3 Ibid,, p. 58, pi. vii. i Ibid. p. 69, pi. ix. fig. 189. In description incorrectly given as pi. viii. m2. 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). Dept. of Geology; Lydekker, Richard, 1849-1915. London, Printed by order of the Trustees
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