Bulletins of American paleontology . Bull. Amer. Paleont., Vol. 56 Plate 28. Cretaceous Radiolaria: Pessagno 427 Explanation of Plate 28 All figures scanning electron micrographs of Cenomanian Neosciadio-capsidae. Figure Page 1-4. Ewingella jonesi Pessagno, n. sp. 401 Holotype (USNM 164228). NSF 350. Antelope ShaleVFiskeCreek Formation. 1,2. Marker = 50 microns. 3. Note pocket-like apical pore on triradiate horn. 4. Marker ^ 25 microns. 5-7. Ewingella jonesi Pessagno, n .sp 401 Paraiype (USNM 164229). NSF 350. Antelope Shale/FiskeCreek Formation. Note triradiate apical horn and partitionin cep
Bulletins of American paleontology . Bull. Amer. Paleont., Vol. 56 Plate 28. Cretaceous Radiolaria: Pessagno 427 Explanation of Plate 28 All figures scanning electron micrographs of Cenomanian Neosciadio-capsidae. Figure Page 1-4. Ewingella jonesi Pessagno, n. sp. 401 Holotype (USNM 164228). NSF 350. Antelope ShaleVFiskeCreek Formation. 1,2. Marker = 50 microns. 3. Note pocket-like apical pore on triradiate horn. 4. Marker ^ 25 microns. 5-7. Ewingella jonesi Pessagno, n .sp 401 Paraiype (USNM 164229). NSF 350. Antelope Shale/FiskeCreek Formation. Note triradiate apical horn and partitionin cephalopyle. Markers = 10 microns. 8,11,12. Microsciadiocapsa lipmanae Pessagno, n. sp 405 Paratypes (USNM 164230 and 164231 respectively). NSF Shale/Fiske Creek Formation. 8. Note convex,finely perforate thoracic velum; marker = 50 microns. 11, = 50 microns. 9,10. Microsciadiocapsa lipmanae Pessagno, n. sp 405 Holotype. (USNM 164232). NSF 350. Antelope Shale/FiskeCreek Formation. 9. Note small apical horn; marker = 25microns. 10. Marker = 50 microns.
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