. Bulletins of American paleontology. New Guinea Ammonites: Westermann & Getty 287 50 r U/W 0 5 PHRASM BOCIV CM APCRT A li A "S 1. O" ⢠f> O 1. cf. moerms mi 9 â n n V-o- X * iu».. Text-fig. 22. â Scatter of umbilical width against diameter (U:D) for Itianitcs, whole collection at hand from Kemaboe Valley (as in Text-fig. 21). Only two individual growth lines are indicated (body chamber dotted). the pliragmocone, made visible after partial removal of the body chamber, the secondaries are rather blunt and densely spaced. Contrary to Arkell's (1956, p. 440) opinion,
. Bulletins of American paleontology. New Guinea Ammonites: Westermann & Getty 287 50 r U/W 0 5 PHRASM BOCIV CM APCRT A li A "S 1. O" ⢠f> O 1. cf. moerms mi 9 â n n V-o- X * iu».. Text-fig. 22. â Scatter of umbilical width against diameter (U:D) for Itianitcs, whole collection at hand from Kemaboe Valley (as in Text-fig. 21). Only two individual growth lines are indicated (body chamber dotted). the pliragmocone, made visible after partial removal of the body chamber, the secondaries are rather blunt and densely spaced. Contrary to Arkell's (1956, p. 440) opinion, the strongly worn body chamber was probably ribbed to the end (Text-fig. 9). The umbilical suture is shown by Kruizinga (1926, fig. on p. 46). Stem- matoceras etheridgei Gerth (1927) from New Guinea is probably distinct from S. indicum, apparently having less developed primaries and denser secondaries at similar diameter (Text-fig. 8).. 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 Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]
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