Bulletins of American paleontology . V^ 0. Cretaceous Radiolaria: Pessagno 423 Explanation of Plate 24 All specimens figured are scanning electron micrographs of CenomanianNeosciadiocapsidae. Figure Page 1. Petasiforma glascockensis Pessagno, n. sp 412 Paratype; USNM 164211. NSF 350. Interior of cephalis at highmagnification; showing cephalic skeletal elements and col-lar pores.* Marker = 10 ^ Vertical = Primary left lateral bar. c = Primary right lateral (lateral of some workers) = Apical = Axial spine,f = Dorsal = Secondary left lateral = Secondary rig
Bulletins of American paleontology . V^ 0. Cretaceous Radiolaria: Pessagno 423 Explanation of Plate 24 All specimens figured are scanning electron micrographs of CenomanianNeosciadiocapsidae. Figure Page 1. Petasiforma glascockensis Pessagno, n. sp 412 Paratype; USNM 164211. NSF 350. Interior of cephalis at highmagnification; showing cephalic skeletal elements and col-lar pores.* Marker = 10 ^ Vertical = Primary left lateral bar. c = Primary right lateral (lateral of some workers) = Apical = Axial spine,f = Dorsal = Secondary left lateral = Secondary right lateral ^= Median bar. 2. Petasiforma foremanae Pessagno, n. sp 411 Paralype; USNM 164217. NSF 350. Enlargement of interiorof cephalis showing cephalic skeletal element and collarpores. Marker = 10 microns. *Terms bar and spine defined in the sense of GoU (1968, ). Riff/it and left conform to Goll (ibid.) and to Text-figure 3A herein. Designations right and left differ fromthose of Petrushevskaya (1964, 1965). 424 Bulletin
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