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40 results for “Asterinidae”
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, 18. Tegulaster alba (R = 5 mm, paratype, NMV F45118): a, abactinal view; b, actinal view. in A molecular and morphological revision of genera of Asterinidae (Echinodermata: Asteroidea)
Figure, 18. Tegulaster alba (R = 5 mm, paratype, NMV F45118): a, abactinal view; b, actinal view.
Figure 1 in A new asterinid genus from the Indo-West Pacific region, including five new species (Echinodermata: Asteroidea: Asterinidae)
Figure 1. Distributions of the type localities of the six species of Ailsastra gen. nov.
FIGURE 2 in A new genus and two new species of sea stars (Family Asterinidae) from Indonesian marine lakes, with notes on habitat and feeding ecology
FIGURE 2. Internal structures of Limnasterias gen. nov., A–B Limnasterias oinops holotype, MZB.Astr.00040: A. Ray and abactinal surface removed to show absence of superambulacral plates (arrow) B. Appressed superactinal plate at distal edge of interradius (arrow) C. Limnasterias estradivariae paratype, MZB.Astr.00047, abactinal surface and ray removed, showing interradial pillar (arrow) and absence of superambulacral plates D. L. estradivariae paratype, MZB.Astr.00048, superactinal plate (arrow). Note that residual fibers from packaging are present in Fig. 2C.
FIGURE 4 in A new genus and two new species of sea stars (Family Asterinidae) from Indonesian marine lakes, with notes on habitat and feeding ecology
FIGURE 4. Live and in situ observations of Limnasterias gen. nov. A. Limnasterias oinops, paratype, MZB.Astr.00042, live animal. B. Regurgitated remains of cannibalized L. oinops with visible furrow spines (arrow). C. Limnasterias estradivariae, paratype, MZB.Astr.00047, live animal. D. L. oinops on macroalgae. E. L. estradivariae on macroalgae.
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 2. a–d, f., Aquilonastra conandae O in Asterinid seastars from the Mozambique Channel (Echinodermata: Asteroidea: Asterinidae)
FIGURE 2. a–d, f., Aquilonastra conandae O'Loughlin & Rowe, 2006. a, abactinal view of paratype (NMV F107412); b, actinal view of paratype (NMV F107412); c, abactinal spinelets of paratype (NMV F107412); d, actinal view of oral region of paratype (NMV F107412); f, live colour photo of specimen in situ (photo provided by C. Conand). e, Aquilonastra chantalae sp. nov., live colour photo of specimen in situ (photo provided by C. Conand).
FIGURE 1 in Asterinid seastars from the Mozambique Channel (Echinodermata: Asteroidea: Asterinidae)
FIGURE 1. Aquilonastra chantalae sp. nov. a, abactinal view of holotype (MNHN IE–2013–617); b, actinal view of holotype (MNHN IE–2013–617); c, abactinal spinelets of paratype (NMV F189860); d, actinal view of oral region of paratype (NMV F189860); e, actinal view of distal inter-radius and margin of paratype (NMV F189860); f, actinal view of post-fissiparous paratype (MNHN IE–2013–618).
Figure 1 in New asterinid species from Africa and Australia (Echinodermata: Asteroidea: Asterinidae)
Figure 1. Aquilonastra shirleyae sp. nov. (photos by L. Altoff and A. Falconer). Holotype, WAM Z37278 (R = 13 mm; all except b); paratype WAM Z37279 (R = 8 mm; cleared; b only). a, abactinal surface (one ray dissected off; abnormal digitiform growth arrowed). b, disc not discretely defined; few proximal carinal plates with single papula arrowed. c, abactinal pedicellariae (arrowed) and spinelets on upper side of ray. d, section through cleared ray showing superambulacral plates (right arrow) and superactinal plates (left arrow). e, actinal surface with actinal plates in longitudinal series. f, oral, suboral, furrow, subambulacral and proximal actinal spines.
Figure 1 in A molecular and morphological revision of genera of Asterinidae (Echinodermata: Asteroidea)
Figure 1. Phylogenetic relationships of asterinid mtDNA sequences (after Waters et al., 2004). Support for particular reconstructions is indicated by bootstrap values (>50%; in bold) and by decay indices (in italics). MtDNA Clades I–VI are identified on the basis of high bootstrap support. Generic assignments made in this paper appear on the right.
Figure 16. a–d in A molecular and morphological revision of genera of Asterinidae (Echinodermata: Asteroidea)
Figure 16. a–d, Parvulastra exigua: a, cleared ray (R = 10 mm, NMV F98062); b, denuded abactinal granuliform spinelets (NMV F98062); c, actinal interradius (R = 9 mm, NMV F98062); d, oral spines (R = 10 mm, NMV F97450). e–f, Patiriella oliveri (R = 28 mm, MNZ EC4805): e, abactinal disc and spinelets; f, absence of superambulacral plates (left arrow), presence of superactinal plates (right arrow). g–i, Pseudopatiria obtusa (R = 54 mm, holotype, BMNH 1938.6.23.24): g, section of ray with absence of both superambulacral and superactinal plates; h, abactinal subpaxilliform spinelets, and pedicellaria (lower left); i, actinal spines.
Figure 2 in A molecular and morphological revision of genera of Asterinidae (Echinodermata: Asteroidea)
Figure 2. Abactinal views of type species of Asterinidae genera. a, Anseropoda placenta (R = 31 mm, AM J10714). b, Aquilonastra cepheus (R = 12 mm, AM J8072). c, Asterina gibbosa (R = 16 mm, AM G11524). d, Asterinides folium (R = 19 mm, USNM E28573). e, Callopatiria granifera (R = 50 mm, NMV F98049). f, Cryptasterina pentagona (R = 11 mm, NMV F95959). g, Disasterina abnormalis (R = 22 mm, WAM Z6754). h, Indianastra sarasini (R = 20 mm, NMV F95802). i, Meridiastra atyphoida (R = 12 mm, AM J9909). j, Nepanthia maculata (R = 73 mm, AM J13918). k, Paranepanthia platydisca (R = 57 mm, holotype, USNM 32644). l, Parvulastra exigua (R = 11 mm, neotype, TM H508).
Figure 6 in A molecular and morphological revision of genera of Asterinidae (Echinodermata: Asteroidea)
Figure 6. Forms of abactinal fasciculate pedicellariae. a, Asterina ocellifera (BMNH 1969.12.16.13). b, Indianastra sarasini (WAM Z6836). c, Nepanthia belcheri (NMV F95805).
Figure 4. a–c in A new asterinid genus from the Indo-West Pacific region, including five new species (Echinodermata: Asteroidea: Asterinidae)
Figure 4. a–c, Ailsastra achituvi sp. nov., NHM 1951.5.7.12: a, low carinal series of plates; b, abactinal spinelets, glassy convexities on plates; c, small oral plates. d–f, Ailsastra amezianeae sp. nov.: d, abactinal interradial plates removed to show absence of superambulacral (arrow) and superactinal plates (paratype, MNHN EcAs 11846); e, abactinal spinelets (holotype, MNHN EcAs 11845); f, small oral plates (paratype, MNHN EcAs 11846). g–i, Ailsastra booneni sp. nov., UF 1938: g, two proximal carinal plates with longitudinal series of spinelets (arrows), breaks in enveloping integument which obscures plates, abactinal spinelets; h, distal interradius, inferomarginal spinelets, absence of superomarginal spinelets; i, small oral plates, proximal interradial single pyramidal spines.
FIGURE 1 in A new genus and two new species of sea stars (Family Asterinidae) from Indonesian marine lakes, with notes on habitat and feeding ecology
FIGURE 1. Limnasterias oinops sp. nov., A-C Holotype, MZB.Astr.00040: A. Abactinal surface of disc (R = 22.6). B. Abactinal interradial region showing interradial non-papulate regions (arrows) and five rows of papulate plates at ray base. C. Actinal surface. D. Paratype, MZB.Astr.00041, cleared lateral ray, with boot-shaped inferomarginal plates (arrow) and circular superomarginal plates. E-F Paratype, MZB.Astr.00043: E. Sacciform abactinal spinelets. F. Marginal interradius and inferomarginal spinelets. Note that residual fibers from packaging are present in Figs. 1B, C, and F.
FIGURE 3 in A new genus and two new species of sea stars (Family Asterinidae) from Indonesian marine lakes, with notes on habitat and feeding ecology
FIGURE 3. Limnasterias estradivariae sp. nov., A–E Holotype, MZB.Astr.00046: A. Abactinal surface (R = 12.05). B. Abactinal interradius, with upper and lower non-papulate regions (arrows). C. Lower lateral ray with boot-shaped inferomarginal plates (arrow) D. Oral plates. E. Actinal surface. F. Conical abactinal spinelets. Note that residual fibers from packaging are present in Figs. 3B and D.
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