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91 results for “Valvatida”
FIGURE 25. Solasteridae Gut Contents. Solaster regularis USNM 1137298 gut contents. A. Actinal view. B in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 25. Solasteridae Gut Contents. Solaster regularis USNM 1137298 gut contents. A. Actinal view. B. Closeup of Anasterias (identified as GUTcon) in S. regularis gut. C. Closeup of paxillae (identified as GUTcon) in Lophaster stellans USNM 1664405 gut.
FIGURE 15. Crossaster taitai n in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 15. Crossaster taitai n. sp. Holotype USNM 1122444, A. Abactinal surface. B. Actinal surface. C. Closeup of abactinal paxillae showing spination. D. Actinal intermediate area showing inferomarginal plates. Actin=Actinal intermediate region, M=Inferomarginal plates. E. Adambulacral spines, showing furrow and subambulacral spination.
FIGURE 22. Paralophaster lorioli USNM E13474 in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 22. Paralophaster lorioli USNM E13474 (all but B). A. Abactinal surface. B. CASIZ167622, brooding individual Abactinal surface cutaway showing eight brooded individuals (indicated by "b") in coelom. C. Actinal surface. D. Abactinal and marginal paxillae view. E. Closeup of furrow spination and marginal plates. F. Serrated subambulacral spines. G. Closeup of serrated subambulacral spines and adjacent furrow spines.
FIGURE 23. Paralophaster paucispinus n in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 23. Paralophaster paucispinus n. sp. USNM 1660601 Holotype. A. Abactinal surface. B. Closeup of abactinal paxillae. C. Lateral view showing marginal paxillae. D. Closeup showing actinal intermediate surface, marginal plates. E. Actinal surface. F. Closeup of furrow spines.
FIGURE 8 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 8. Circumoral spines, showing species-specific variation among (A, B) Acanthaster benziei sp. nov., (C) A. planci, (D) A. mauritiensis, and (E) A. cf. solaris.
FIGURE 14. Crossaster penicillatus USNM 1122950. A. Abactinal surface. B. Closeup showing abactinal paxillae. C. Actinal surface. D. Abactinal-lateral view showing marginal paxillae. E. Actinal intermediate and adambulacral spination. F in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 14. Crossaster penicillatus USNM 1122950. A. Abactinal surface. B. Closeup showing abactinal paxillae. C. Actinal surface. D. Abactinal-lateral view showing marginal paxillae. E. Actinal intermediate and adambulacral spination. F. Closeup of adambulacral spination showing furrow and subambulacral spines.
FIGURE 21. Paralophaster godfroyi USNM 1570993. A in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 21. Paralophaster godfroyi USNM 1570993. A. Abactinal surface. Scale bar: 5.0 mm. A.1. Madreporite. B. Closeup of abactinal paxillae. C. Closeup of marginal paxillae. D. Closeup of oral region and adjacent furrow spination. E. Actinal surface. F. Closeup of furrow spination.
FIGURE 4. Astrotholus molginos n. gen. n in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 4. Astrotholus molginos n. gen. n. sp. USNM 1659633 Holotype. A. Abactinal surface. B. Lateral view showing off plates and plate patterns. C. Actinal surface. D. Abactinal-lateral and marginal plates. E. Contact between abactinal and marginal plates showing thickened dermis over plates. F. Actinal surface showing furrow spines and plate patterns on actinal intermediate plates.
FIGURE 8. Kampylaster tumulus n in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 8. Kampylaster tumulus n. sp. USNM 1662075 Holotype. A. Abactinal surface. B. Armtip showing abactinal and marginal plates. C. Actinal surface. D. Partial actinal surface and inferomarginal spination. E. Actinal surface. F. Closeup showing furrow spines.
FIGURE 16. Lophaster abbreviatus USNM 1660590. A. Abactinal surface. B. Closeup showing paxillae with spinelets. C. Actinal surface. D in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 16. Lophaster abbreviatus USNM 1660590. A. Abactinal surface. B. Closeup showing paxillae with spinelets. C. Actinal surface. D. Closeup of oral and furrow spine region. E. Closeup of furrow spine and marginal paxillae.
FIGURE 24. Solaster regularis USNM 1137343. A. Abactinal surface. B in New Genera, Species, and observations on the biology of Antarctic Valvatida (Asteroidea)
FIGURE 24. Solaster regularis USNM 1137343. A. Abactinal surface. B. Closeup of abactinal paxillae. C. Lateral view showing marginal paxillae. D. Actinal surface. E. Closeup of adambulacral and furrow spines.
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