Art. XCV.—On a new Trilobite (Homalonotus expasus). By James Hector. Plate XXVII., fig. 2, p. 474. [Read before The Wellington Philosophical Society, 9th December, 1876] Homalonotus expansus, sp. nov. Distinguished from H. delphinocephalus, Green (Hall, “Palæontology of New York,” p. 309), and from H. harrisoni, McCoy, (“Pal. of Victoria,” Pt. III.), by its great proportionate width, and particularly by the middle lobe being only half the width of the lateral anas of the caudal portion of the buckler. From the Spirifier slates associated with Madripore limestone and quartzites on which the auriferous slates of Reefton rest unconformably. Probable age, upper silurian, being the upper part of the group of strata mapped as the “Mount Arthur Series.” Tail segments only; width of largest specimen, 3 inches.
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Transactions and Proceedings of the Royal Society of New Zealand, Volume 9, 1876, Page 602
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125Art. XCV.—On a new Trilobite (Homalonotus expasus). Transactions and Proceedings of the Royal Society of New Zealand, Volume 9, 1876, Page 602
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