Bulletins of American paleontology . Venezuelan Cenozoic Echinoids: Weisbord 357 Explanation of Plate 15 Figure Page 1-5. Eucidaris tribuloides (Lamarck) 287 1,2. Specimen A607a. PRI 27653. Diameter 17 mm, height 9mm. Two views of same corona, X 1-8. Recent. See Plate 48,fig. 1 for another view of same specimen. 3. SpecimenA607b, PRI 27654. Diameter 26 mm, height 16 mm. Oralaspect, collapsed, X Recent. See Plate 48, figs. 2,3 forambital and apical views of same specimen. 4. Assorted pri-mary spines from the Abisinia Formation photographed byBertha M. Cutress. 5. Specimen K599a, PRI 27658.


Bulletins of American paleontology . Venezuelan Cenozoic Echinoids: Weisbord 357 Explanation of Plate 15 Figure Page 1-5. Eucidaris tribuloides (Lamarck) 287 1,2. Specimen A607a. PRI 27653. Diameter 17 mm, height 9mm. Two views of same corona, X 1-8. Recent. See Plate 48,fig. 1 for another view of same specimen. 3. SpecimenA607b, PRI 27654. Diameter 26 mm, height 16 mm. Oralaspect, collapsed, X Recent. See Plate 48, figs. 2,3 forambital and apical views of same specimen. 4. Assorted pri-mary spines from the Abisinia Formation photographed byBertha M. Cutress. 5. Specimen K599a, PRI 27658. Primaryspine, length mm, diameter mm, X 4. Enlargementby Bertha M. Cutress. See Plate 48, fig. 9, for a slightlydifferent view of same specimen. Playa Grande Formation(Catia Member). 6-13. Tripneustes cf. T. ventrlcosus (Lamarck) 294 6,7. Fragment L600a. PRI 27660. Height of fragment mm,width 20 mm. Exterior and interior view of ambulacrum atambitus. X and , respectively. 8,9. Fragment 27661. Height o


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