. Bulletins of American paleontology. . Text-tigure 10. —Schematic diagram of the genera in the family Inaniguttidae Nazarov and Ormiston. 1984. is no younger than Pridolian and is overlain by several additional meters of Silurian strata. The age of the D. iiniciis assemblage in the Kurosegawa Tectonic Zone was made from inference and unless independant ge- ochronologic data can demonstrate that D. mucus rang- es considerably higher in Japan than in the Marathon uplift, it is presumed to be restricted to the Silurian. Range and occurrence. —Lale Silurian, Devoniglan- sus unicus assemblage of K
. Bulletins of American paleontology. . Text-tigure 10. —Schematic diagram of the genera in the family Inaniguttidae Nazarov and Ormiston. 1984. is no younger than Pridolian and is overlain by several additional meters of Silurian strata. The age of the D. iiniciis assemblage in the Kurosegawa Tectonic Zone was made from inference and unless independant ge- ochronologic data can demonstrate that D. mucus rang- es considerably higher in Japan than in the Marathon uplift, it is presumed to be restricted to the Silurian. Range and occurrence. —Lale Silurian, Devoniglan- sus unicus assemblage of Kurosegawa Tectonic Zone, Japan; lower half of Zone 6 of the Marathon uplift, west Texas. Superfamily INCERTAE SEDIS Family INANIGUTTIDAE Nazarov and Ormiston, 1984, emended herein Type genus. —Inanigutta Nazarov and Ormiston. 1984 Emended diagnosis. —Sx^xin^eWarxans with one or more cortical shells that are irregularly porous to lat- ticed, and a latticed subspherical medullary shell. Pri- mary bars extend from primary spines on the cortical shell to the surface of the medullary shell, where they. 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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