. Annual report. New York State Museum; Science; Science. 23O NEW YORK STATE MUSEUM The hinge is well displayed in some specimens and is peculiar for its simplicity; there is a moderately broad striated ligament area which widens slightly beneath the beaks but there is, under the most favorable preservation, no evidence whatever of the umbonal teeth which exist in the typical forms of Goniophora. Therefore the suggestion of relationship to that genus is wholly based on the general aspect of the exterior. The shell is generally about twice as long as high and many attain a length of 50 mm. Surf
. Annual report. New York State Museum; Science; Science. 23O NEW YORK STATE MUSEUM The hinge is well displayed in some specimens and is peculiar for its simplicity; there is a moderately broad striated ligament area which widens slightly beneath the beaks but there is, under the most favorable preservation, no evidence whatever of the umbonal teeth which exist in the typical forms of Goniophora. Therefore the suggestion of relationship to that genus is wholly based on the general aspect of the exterior. The shell is generally about twice as long as high and many attain a length of 50 mm. Surface sculpture simple concentric lines. Beushausen referred to Cardiomorpha such toothless shells, including within, his diag- nosis a large variety of external expressions, among others forms having this Goniophoralike exterior [see especially C. a 1 a t a Sandb. in op. cit. p. 223, pi. 25, fig. 15-17]. Lozver Devonic. Mooseheadlake, north of Soccatean point, Me. Palaeoneilo mainensis no v. Shell attaining large dimensions for a species of the genus, subtrihedral, depressed convex, with beak but little in front of middle of the hinge. Hight three fifths of the length. Posterior surface gently sinuate and the postlateral shell margins corres-. 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 New York State Museum. Albany : University of the State of New York
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
