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35 results for “Asterinides”
FIGURE 4 in A new viviparous species of asterinid (Echinodermata, Asteroidea, Asterinidae) and a new genus to accommodate the species of pantropical exiguoid sea stars
FIGURE 4. Aboral view of the gonads of C. hystera n. sp. filled with late stage juveniles just prior to leaving the parent, Juveniles about 500 µ m.
FIGURE 3. a in A new viviparous species of asterinid (Echinodermata, Asteroidea, Asterinidae) and a new genus to accommodate the species of pantropical exiguoid sea stars
FIGURE 3. a) Colour in life Cryptasterina hystera n. sp. (at left) and Cryptasterina pentagona (at right) Photograph. M Byrne. b) Statue Bay, central Queensland. Boulder and cobble beach. Type locality for C. hystera n. sp. Photograph. S McKillup.
FIGURE 2 in A new viviparous species of asterinid (Echinodermata, Asteroidea, Asterinidae) and a new genus to accommodate the species of pantropical exiguoid sea stars
FIGURE 2. Abactinal surface of holotype of Cryptasterina hystera sp. nov. (R = 10.2 mm) Emergent young visible in the interradius to left of image.
Figure 3 in New asterinid species from Africa and Australia (Echinodermata: Asteroidea: Asterinidae)
Figure 3. Asterina hoensonae sp. nov. (photos a, c by L. Altoff and A. Falconer; b, d by C. Rowley). Holotype, NHM 1975.10.29.47 (R = 12 mm). a, abactinal surface with section of abactinal plates removed. b, abactinal subdigitiform to subgranuliform spinelets. c, abactinal view (plates cleared, section of plates removed), showing doubly papulate carinal series of plates (left arrows) and absence of superambulacral plates (right arrow). d, oral, suboral, furrow, subambulacral and proximal actinal spines.
Figure 5 in New asterinid species from Africa and Australia (Echinodermata: Asteroidea: Asterinidae)
Figure 5. Tegulaster leptalacantha (H.L. Clark, 1916) (photos by C. Rowley). a, c, e, Disasterina leptalacantha var africana Mortensen, 1933, syntype, S.A.M. A22559 (R = 16 mm). a, abactinal surface (not cleared). c, tufts of acicular inferomarginal spinelets. e, oral, suboral, furrow, subambulacral and proximal actinal spines. Tegulaster leptalacantha, b, d, f, Sodwana Bay specimens. b, disc and proximal abactinal surface (not cleared; MRAC 1746; R = 17 mm). d, tufts of acicular inferomarginal spinelets (MRAC 1744; R = 18 mm). f, oral, suboral, furrow, subambulacral and proximal actinal spines (MRAC 1746; R = 17 mm)
Figure 2. Asterina gracilispina H.L. Clark, 1923 in New asterinid species from Africa and Australia (Echinodermata: Asteroidea: Asterinidae)
Figure 2. Asterina gracilispina H.L. Clark, 1923 (photos by C. Rowley). Holotype, S.A.M. A22559 (R = 6 mm). a, abactinal surface, insert showing spinelets. b, carinal series of doubly papulate plates and spinelets. c, actinal surface with actinal plates in longitudinal series. d, oral, suboral, furrow, subambualcral and proximal actinal spines.
Figure 4 in New asterinid species from Africa and Australia (Echinodermata: Asteroidea: Asterinidae)
Figure 4. Callopatiria cabrinovici sp. nov. (photos by L. Altoff and A. Falconer). Holotype, NHM 1965.6.1.743 (R = 27–35 mm). a, abactinal view, insert showing spinelets. b, cleared proximal upper ray showing "field" of irregular singly papulate primary and few secondary plates. c, lateral view of cleared ray showing longitudinal series of plates, and superomarginal and inferomarginal series of plates. d, cleared ray with section of abactinal plates removed, showing superactinal plates (upper right arrow), superambulacral plates (lower right arrow) and ambulacral plates (left arrow). e, actinal surface showing longitudinal series of actinal plates. f, oral, suboral, furrow, subambulacral and proximal actinal spines.
Fig.ç3.D isasterina akajimaensis sp. nov., holotype (NSMT E-6758). A, Anal pore and a patch; B, madreporite; C, proximal part of arm, abactinal view; D, oral plate pair and interradial uncalci ed area, some oral spines have been lost (see also Fig. 6 for oral plate pair and interradial uncalci ed area at another interradius); E, proximal part of ambulacral furrow (oral plates seen at the lower-le corner are drawn in Fig. 6); F, inferomarginal spinelets, abactinal view. Abbreviations: als, actinolateral spine; apo, anal pore; fs, furrow spine; imp, inferomarginal plate; ims, inferomarginal spine; ir, interradial; iua, interradial uncalci ed area; md, madreporite; op, oral plate; os, oral spine; r, radial; rp, rigid patch; sas, subambulacral spine. in A New Asterinid Sea Star, Disasterina akajimaensis (Echinodermata: Asteroidea) from the Ryukyu Islands, Japan, with Notes on the Genus Disasterina
Fig.ç3.D isasterina akajimaensis sp. nov., holotype (NSMT E-6758). A, Anal pore and a patch; B, madreporite; C, proximal part of arm, abactinal view; D, oral plate pair and interradial uncalci ed area, some oral spines have been lost (see also Fig. 6 for oral plate pair and interradial uncalci ed area at another interradius); E, proximal part of ambulacral furrow (oral plates seen at the lower-le corner are drawn in Fig. 6); F, inferomarginal spinelets, abactinal view. Abbreviations: als, actinolateral spine; apo, anal pore; fs, furrow spine; imp, inferomarginal plate; ims, inferomarginal spine; ir, interradial; iua, interradial uncalci ed area; md, madreporite; op, oral plate; os, oral spine; r, radial; rp, rigid patch; sas, subambulacral spine.
Figure 5. a–c in A new asterinid genus from the Indo-West Pacific region, including five new species (Echinodermata: Asteroidea: Asterinidae)
Figure 5. a–c, Ailsastra eleaumei sp. nov., MNHN EcAs 11843: a, low carinal series of plates with bowl-shaped spinelet arrangements; b, bowl-shaped arrangements of spinelets on disc plates; c, interradial abactinal gonopores (arrows). d–f, Ailsastra heteractis (H.L. Clark, 1938), MCZ 3258: d, lateral ray abactinal spinelets; e, inferomarginal spinelets; f, small oral plates, proximal actinal pores (arrows). g–i, Ailsastra paulayi sp. nov., UF 1815: g, abactinal spinelets; h, abactinal interradial plates removed to show absence of superambulacral plates (arrow); i, distal abactinal interradius.
Figure 3 in A new asterinid genus from the Indo-West Pacific region, including five new species (Echinodermata: Asteroidea: Asterinidae)
Figure 3. Actinal view of holotypes of species of Ailsastra gen. nov. a, Ailsastra achituvi sp. nov., R = 10 mm, NHM 1951.5.7.12; b, Ailsastra amezianeae sp. nov., R = 10 mm, MNHN EcAs 11845; c, Ailsastra booneni sp. nov., R = 9 mm, UF 1938; d, Ailsastra eleaumei sp. nov., R = 7.5 mm, MNHN EcAs 11843; e, Ailsastra heteractis (H.L. Clark, 1938), R = 7 mm, MCZ 3258; f, Ailsastra paulayi sp. nov., R = 16 mm, UF 1815.
Figure 2 in A new asterinid genus from the Indo-West Pacific region, including five new species (Echinodermata: Asteroidea: Asterinidae)
Figure 2. Abactinal view of holotypes of species of Ailsastra gen. nov. (photographed at same magnification). a, Ailsastra achituvi sp. nov., R = 10 mm, NHM 1951.5.7.12; b, Ailsastra amezianeae sp. nov., R = 10 mm, MNHN EcAs 11845; c, Ailsastra booneni sp. nov., R = 9 mm, UF 1938; d, Ailsastra eleaumei sp. nov., R = 7.5 mm, MNHN EcAs 11843; e, Ailsastra heteractis (H.L. Clark, 1938), R = 7 mm, MCZ 3258; f, Ailsastra paulayi sp. nov., R = 16 mm, UF 1815.
Figure 9 in New asterinid seastars from the western Pacific Ocean (Echinodermata: Asteroidea)
Figure 9. Montage photographs of the holotype of Aquilonastra starmeri sp. nov. (UF 1612): a, abactinal view of disc (left) and proximal ray plates with short conical to digitiform spinelets; b, abactinal details of distal interradius showing acicular conical to subsacciform spinelets on apron, and supero- and inferomarginal plates; c, actinal view showing oral, suboral, furrow and actinal interradial spines; d, transverse section of a ray with superambulacral plate (left) and superactinal plate (right) highlighted.
Figure 8 in New asterinid seastars from the western Pacific Ocean (Echinodermata: Asteroidea)
Figure 8. Montage photograph of the holotype of Aquilonastra starmeri sp. nov. (UF 1612). Actinal view showing five sub-equal rays, spination, longitudinal and oblique-transverse series of actinal plates.
Figure 7 in New asterinid seastars from the western Pacific Ocean (Echinodermata: Asteroidea)
Figure 7. Montage photograph of the holotype of Aquilonastra starmeri sp. nov. (UF 1612). Abactinal view showing five sub-equal rays, distinct marginal apron, lacking carinal series of plates, single large madreporite. The abactinal plates have become denuded of most spinelets over time.
Figure 6 in New asterinid seastars from the western Pacific Ocean (Echinodermata: Asteroidea)
Figure 6. Montage photographs of the holotype of Aquilonastra korora sp. nov. (UF 2437): a, abactinal view of disc, showing disc plate arrangement, single large madreporite (top right), sacciform spinelets; b, abactinal details of distal interradius showing short blunt pedicellariae (highlighted) and residual slender conical, sub-sacciform and sacciform spinelets; c, actinal view showing oral, suboral, furrow and actinal interradial spines; d, transverse section of a ray with a superactinal plate highlighted.
Figure 5 in New asterinid seastars from the western Pacific Ocean (Echinodermata: Asteroidea)
Figure 5. Montage photograph of the holotype of Aquilonastra korora sp. nov. (UF 2437). Actinal view showing residual actinal colouration, five sub-equal rays, spination, longitudinal and oblique-transverse series of actinal plates with irregular distal inter-radials.
Figure 4 in New asterinid seastars from the western Pacific Ocean (Echinodermata: Asteroidea)
Figure 4. Montage photograph of the holotype of Aquilonastra korora sp. nov. (UF 2437). Abactinal view showing residual colouration, five sub-equal digitiform rays, absence of carinal series of plates, single large madreporite (lower arrow) and at least one conspicuous abactinal gonopore (upper arrow). The abactinal plates have become denuded of most spinelets over time.
Figure 1 in New asterinid seastars from the western Pacific Ocean (Echinodermata: Asteroidea)
Figure 1. Montage photograph of the holotype of Aquilonastra donia sp. nov. (MNHN-IE-2014-641). Abactinal view showing five sub-equal rays, distinct low marginal apron, absence of carinal series of plates, presence of rare doubly papulate carinal plates, and single large madreporite. The abactinal plates have become denuded of most spinelets over time.
Figure 3 in New asterinid seastars from the western Pacific Ocean (Echinodermata: Asteroidea)
Figure 3. Montage photographs of the holotype of Aquilonastra donia sp. nov. (MNHN-IE-2014-641): a, abactinal view of disc, single large madreporite, some remaining digitiform spinelets, and pedicellariae (highlighted); b, abactinal details of distal interradius showing pedicellariae (highlighted), and conical to sub-sacciform spinelets on apron; c, actinal view showing oral, suboral, furrow and inter-radial spines; d, transverse section of a ray with superactinal (highlighted left) and superambulacral plates (highlighted right).
Figure 6. a–f in A molecular and morphological review of the asterinid, Patiriella gunnii (Gray) (Echinodermata: Asteroidea)
Figure 6. a–f, Patiriella oriens sp. nov. a, actinal view of holotype, R = 28 mm (NMV F92983); b, abactinal ray, carinally doubly papulate for about two-thirds of ray length (ending at arrow), R = 25 mm (NMV F73152); c, abactinal interradius with moderately coarse spination and fringe of fairly fine inferomarginal spinelets, up to 15 per plate, R = 25 mm (NMV F73152); d, cleared abactinal view of paratype, with carinal series doubly papulate for most of ray length, R = 25 mm (NMV F92984); e, actinal ambulacra and interradii, R = 30 mm (NMV F73155); f (above), common forms of abactinal spinelets; f (below), common forms of actinal spines proximal to ambulacrum, with relatively long furrow spines (arrow).
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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