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91 results for “Valvatida”
FIGURE 3 in New species, corallivory, in situ video observations and overview of the Goniasteridae (Valvatida, Asteroidea) in the Hawaiian Region
FIGURE 3. Holotype of Astroceramus eldredgei n. sp. A. Abactinal surface. B. Abactinal plates.C. Closeup of armtip showing abutted superomarginals. D. Actinal surface. E. Closeup of actinal surface showing actinal intermediate region and tube foot groove. F. Close up of adambulacral region, showing furrow spines and etc.
FIGURE 2 in New species, corallivory, in situ video observations and overview of the Goniasteridae (Valvatida, Asteroidea) in the Hawaiian Region
FIGURE 2. In situ video observations of Goniasteridae. A. Astroceramus callimorphus hunched over prey. B. Astroceramus eldredgei n. sp. on substrate. C. A. eldredgei n. sp. feeding on Paragorgia? D. A. eldredgei n. sp. feeding on the blue plexaurid octocoral Astromuricea theophilasi E. A. eldredgei n. sp. the blue plexaurid octocoral Astromuricea theophilasi F. Calliaster pedicellaris feeding observation.
FIGURE 1 in New species, corallivory, in situ video observations and overview of the Goniasteridae (Valvatida, Asteroidea) in the Hawaiian Region
FIGURE 1. Holotype of Apollonaster kelleyi n. sp. A. Abactinal surface. B. Abactinal plates.C. Closeup of armtip showing abutted superomarginals. D. Actinal surface. E. Closeup of actinal surface showing actinal intermediate region and tube foot groove. F. Close up of adambulacral region, showing furrow spines and etc.
FIGURE 4 in New species, corallivory, in situ video observations and overview of the Goniasteridae (Valvatida, Asteroidea) in the Hawaiian Region
FIGURE 4. In situ video observations of other Goniasteridae. A. Calliderma emma in situ on sandy substrate B. Circeaster pullus feeding on isidid octorcoral. C. C. pullus with swollen disk, likely feeding on isidid octocoral. D. Hippasteria muscipula feeding on isidid ocotocrals, off Kona, HI. E. H. muscipula feeding on soft coral in Celebes Sea. F. Plinthaster ceramoidea feeding on Gerardia?
FIGURE 2. Bathyceramaster elegans n. gen. n. comb. Holotype USNM 3443 in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 2. Bathyceramaster elegans n. gen. n. comb. Holotype USNM 3443. Scale bar=5.0 mm A. Abactinal surface. Inset: granule type and pattern present on abactinal plates. B. Close up of abactinal plate patterns. C. Coelomic side of abactinal surface showing round/polygonal plate bases. Stellate plate patterns absent. D. Lateral view showing marginal plates and granular covering. E. Actinal surface. F. Close up of actinal surface, oral region. G. Adambulacral spination and tube foot groove.
FIGURE 7 in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 7. In situ images of M. tenellus and N. diomedeae. A. Mediaster tenellus present on molt or moribund crab. B. Nymphaster diomedeae in feeding aggregation. C. N. diomedeae approaching dead gonatid squid.
FIGURE 12. Sibogaster nieseni n in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 12. Sibogaster nieseni n. sp. Paratype-Indonesia, IE-2013-6809. Scale bar=5.0 mm. A. Abactinal surface B. Close up of abactinal plates showing granules. C. Lateral view showing marginal plate surface. D. Actinal surface. E. Close up of furrow spines and actinal spinelets/granules.
FIGURE 11. Sibogaster nieseni n in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 11. Sibogaster nieseni n. sp. Holotype-Pacific. USNM 1407955. Scale bar= 5.0 mm. A. Abactinal surface B. Lateral view showing abactinal and marginal surfaces. C. Arm tip and lateral view showing marginal plates D. Actinal surface. E. Close up showing furrow spines, actinal granulation and other detail.
FIGURE 1. Bathyceramaster careyi n. gen. n in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 1. Bathyceramaster careyi n. gen. n. sp. USNM 1407936. Scale bar=5.0 mm. A. Abactinal surface. B. Granules on tabulae. Scale =1.5 mm C. Round bases of abactinal plates viewed from coelomic cavity (stellate radiating plates absent). Scale =1.5 mm. D. Lateral view showing marginal plate series and abactinal plates. E. Actinal surface. Inset shows pedicellariae, granules and other detail (each about 1.0 mm across). F. Closeup of actinal surface showing furrow spines, actinal accessories, oral region.
FIGURE 6. Mediaster tenellus USNM 1407951. A in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 6. Mediaster tenellus USNM 1407951. A. Abactinal surface. Scale bar= 10.0 mm. Inset shows stellate radiating ossicles on plate base. Scale bar= 1.0 mm. B. Closeup of abactinal plates. Scale bar= 2.0 mm. C. Actinal surface. Scale bar= 10.0 mm. D. Close up of actinal surface showing furrow spines. Scale bar=3.0 mm.
FIGURE 13. Sibogaster nieseni n in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 13. Sibogaster nieseni n. sp. Paratype-Atlantic, IE-2013-8190 Scale Bar=5.0 mm. A. Abactinal surface B. Close up of abactinal plates. C. Lateral view showing abactinal and marginal plates. D. Dorsolateral view showing abactinal and marginal plates along arm tip. E. Actinal surface. F. Close up of furrow and actinal spinelets/granules.
FIGURE 5. Litonotaster tumidus USNM E0705 in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 5. Litonotaster tumidus USNM E0705 Paratype. Scale Bar=3.0 mm for all but E. A. Abactinal surface. B. Close up of abactinal surface. C. Lateral view showing marginals and abactinal surface. D. Actinal surface. E. Close up of actinal surface showing furrow spines and actinal granulation.
FIGURE 4. Ceramaster pointsurae n in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 4. Ceramaster pointsurae n. sp. Holotype. USNM 1407942. Scale bar=3.0 mm. A. Abactinal surface. B. Closeup of abactinal surface superomarginal plates. C. Actinal surface. D. Closeup of actinal surface, adambulacral furrows.
FIGURE 9. Pillsburiaster ernesti USNM 34429 in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 9. Pillsburiaster ernesti USNM 34429 Neolectotype. Scale Bar=5.0 mm. A. Abactinal B. Close up of abactinal and superomarginal plates. C. Actinal surface showing granulation and adambulacral accessories. USNM 1407954 D. Abactinal surface of newly collected specimen from North Pacific. E. Abactinal-lateral view arm. F. Close up of actinal surface in the oral region showing furrow spination, actinal granulation and tube feet.
FIGURE 3. Bathyceramaster elegans n. gen. n. comb. USNM 1407939 in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 3. Bathyceramaster elegans n. gen. n. comb. USNM 1407939 Scale bar=5.0 mm. A. Abactinal surface. Inset: Radial abactinal plates shown (inset scale=1.0 mm). B. Closeup of abactinal surface showing plate variation. C. Actinal surface. D. Close up of actinal surface showing tube feet, actinal accessories and furrow spination.
FIGURE 8. Nymphaster diomedeae USNM E26330 in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 8. Nymphaster diomedeae USNM E26330. Scale bar= 5.0 mm. A. Abactinal surface. B. Closeup of abactinal surface. C. Lateral view of interradial marginal plates. D. Actinal surface. E. Close up of actinal surface showing granulation, furrow spination and tube feet.
FIGURE 10. Sibogaster digitalis CASIZ 186315 in Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species
FIGURE 10. Sibogaster digitalis CASIZ 186315. Scale bar= 5.0 mm. A. Abactinal surface. B. Close up of abactinal plates showing tubercles and papulae. C. Abactinal-lateral view showing marginal plates. D. Marginal plates closeup showing detail. E. Actinal surface. F. Close up of actinal surface showing adambulacral spination and actinal accessories.
FIGURE 9 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 9. Oral pedicellariae, showing species-specific variation among (A) Acanthaster benziei sp. nov., (B) A. planci, (C) A. mauritiensis, and (D) A. cf. solaris.
FIGURE 7 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 7. Typical latero-oral spines, showing species-specific variation among (A) Acanthaster benziei sp. nov., (B) A. planci, (C) A. mauritiensis, and (D) A. cf. solaris.
FIGURE 6 in A new species of crown-of-thorns sea star, Acanthaster benziei sp. nov. (Valvatida Acanthasteridae), from the Red Sea
FIGURE 6. Typical primary spines, showing species-specific variation among (A, B) Acanthaster benziei sp. nov., (C) A. planci, (D) A. mauritiensis, and (E) A. cf. solaris.
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