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135 results for “Goniasteridae”
FIG. 4. — A-D in A phylogeny of Iconaster and Glyphodiscus (Echinodermata, Asteroidea, Valvatida, Goniasteridae) with descriptions of four new species
FIG. 4. — A-D, Iconaster elegans Jangoux, 1981, paratype, dry (MNHN EcAs 2776); A, abactinal surface; B, glassy granules on superomarginals; C, enlarged accessories on abactinal plates, papular region; D, oral and adambulacral regions; E-G, Iconaster longimanus MÖbius, 1859, Singapore, dry (CASIZ 117905); E, abactinal surface; F, abactinal plates with glassy granules; G, oral and
FIG. 3. — A-C, Glyphodiscus magnificus n in A phylogeny of Iconaster and Glyphodiscus (Echinodermata, Asteroidea, Valvatida, Goniasteridae) with descriptions of four new species
FIG. 3. — A-C, Glyphodiscus magnificus n. sp., New Caledonia, paratype, dry (MNHN EcAs 11682); A, abactinal view; B, superomarginal plate shape; C, oral and adambulacral regions; D, E, Glyphodiscus pentagonalis n. sp., New Caledonia, holotype, dry (MNHN EcAs 11688); D, abactinal view; E, oral and adambulacral regions. Scale bars: A, 5.0 mm; B, D, 3.0 mm; C, 2.0 mm;
FIG. 1. — A, B in A phylogeny of Iconaster and Glyphodiscus (Echinodermata, Asteroidea, Valvatida, Goniasteridae) with descriptions of four new species
FIG. 1. — A, B, Glyphodiscus perierctus (Fisher, 1917), New Caledonia, juvenile, dry, R = 7.0 mm, r = 4.0 mm (MNHN EcAs 11686); A, abactinal surface; B, actinal surface; C, Pontioceramus grandis Fisher, 1911 (USNM IZ-40578), dry, ambulacrals expressing a large ambulacral head (character 28), absence of an overlapping flange on the ambulacral head (character 29), rounded waist surface (character 30), and fan-like flaps on the ambulacral base (character 31); D, Glyphodiscus pentagonalis n. sp., dry (MNHN EcAs 11690), ambulacrals expressing a small ambulacral head (28), an overlapping flange (29), a sharpened edge on the waist (30), and narrow flaps on the ambulacral base (31); E, Glyphodiscus magnificus n. sp., paratype (MNHN EcAs 11683), predatory marks (PM)
FIG. 2. — A-C in A phylogeny of Iconaster and Glyphodiscus (Echinodermata, Asteroidea, Valvatida, Goniasteridae) with descriptions of four new species
FIG. 2. — A-C, Glyphodiscus perierctus (Fisher, 1917), New Caledonia, SMIB 4, stn DW 61, dry (MNHN EcAs 11686); A, abactinal surface, larger specimen with roughened marginal plates; B, roughened superomarginal plate; C, ambulacral furrow, furrow spines, and adambulacral plates; D, E, Glyphodiscus mcknighti Rowe, 1989 (= G. perierctus), New Caledonia, SMIB 5, stn DW 104, dry (MNHN EcAs 11697); D, abactinal surface, smaller specimen with smooth marginal plates; E, actinal surface. Scale bars: A, B, D, E,
FIG. 5. — A-C, Iconaster vanuatuensis n in A phylogeny of Iconaster and Glyphodiscus (Echinodermata, Asteroidea, Valvatida, Goniasteridae) with descriptions of four new species
FIG. 5. — A-C, Iconaster vanuatuensis n. sp., Vanuatu, holotype, dry (MNHN EcAS 11680); A, abactinal view; B, abactinal plates with glassy granules; C, oral region showing enlarged spines and adambulacral-subambulacral region; D-G, Iconaster uchelbeluuensis n. sp., Philippines, paratype, dry (MNHN EcAs 11681); D, abactinal view; E, glassy granules on superomarginal plate; F, enlarged accessories on corners of abactinal plates; G, adambulacral plates displaying crowded furrow spines and subambulacral spines.
FIG. 6 in A phylogeny of Iconaster and Glyphodiscus (Echinodermata, Asteroidea, Valvatida, Goniasteridae) with descriptions of four new species
FIG. 6. — Phylogram of Iconaster + Glyphodiscus, plus outgroup taxa. Numbers with % above branches are bootstrap values (300 replicates). Single numbers below branches are Bremer support values. Lines shown in bold are ingroup taxa. Geographic and bathymetric range data shown to right of tree. Dotted line around Vanuatu indicates possible photic transmission to deeper depths (see Discussion). Abbreviation: OG, outgroup taxon. Scale bar: 5 changes.
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.
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