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57 results for “Astropecten”
Fig. 2 in Diet And Feeding In The Sea Star Astropecten Indicus (Döderlein, 1888)
Fig. 2. Examples of 16 prey types found in the stomachs of Astropecten indicus (n = 69) collected in Singapore. The white bar at the bottom right of each item = 1 mm. *Cerithium sp. was dead before ingestion.
Fig. 5 in Diet And Feeding In The Sea Star Astropecten Indicus (Döderlein, 1888)
Fig. 5. Scatter plot showing the relationship between number of prey items ingested and Astropecten indicus (n=20) arm length after 24 h.
Fig. 3. a in Diet And Feeding In The Sea Star Astropecten Indicus (Döderlein, 1888)
Fig. 3. a) Number of Astropecten indicus that chose with-shell and without-shell Umbonium vestiarium and Musculista senhousia prey (n=30). b) Mean number + S.E. of prey ingested at 2 h and at 24 h. Differences between light and dark bars are significant for both a) and b).
Fig. 1 in Diet And Feeding In The Sea Star Astropecten Indicus (Döderlein, 1888)
Fig. 1. Map of north-eastern Singapore showing the four study sites along the Eastern Johor Strait.
Fig. 4 in Diet And Feeding In The Sea Star Astropecten Indicus (Döderlein, 1888)
Fig. 4. Stomach packing of A. indicus after ingesting Umbonium vestiarium ad libitum.
FIGURE 13 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 13. Spination of the IM and AD plates. A) Asteropecten jarli, modified from Cherbonnier & Nataf (1973, Fig. 8) Arrow: proximal. B). AD plate of A. jarli, modified from Cherbonnier & Nataf (1973, Fig. 8). 1: elongated middle spine of the furrow row, 2: enlarged spine of the second row. C) Astropecten cingulatus, modified from Sladen (1889, Plate XXXIX, Fig. 3). Fr: IM fringe spines.
FIGURE 12 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 12. Three specimens of Astropecten spp. from the East Atlantic Region initially identified as A. jarli and subsequently relabeled as A. cingulatus. A) Abactinal view (USNM E18546). R = 33 mm, R:r = 3.6. B) Actinal view (USNM E18546) of IM plates covered with wide squamules and long spines along the distal edge of the plate (proximal left, distal right). C) Abactinal view (USNM E18543). R = 19 mm, R:r = 3.6. D) Lateral view (USNM E18543) of the IM fringe spines aligned at an oblique angle. R = 14 mm, R:r = 4.2 (proximal left, distal right).. E) Abactinal view (USNM E18544) R=14 mm, R:r = 4.2. F) Abactinal view (USNM E18544) of the SM plate of the interradial area with spines on the SM plates (Ss) surrounded by irregularly shaped granules.
FIGURE 8 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 8. Astropecten jarli. Holotype (ZMUC AST-24). Furrow at mid-arm and spination of AD plates. A) Furrow at midarm. B) Enlarged area of the box in panel A. Numbers 1–4 indicate each row on one AD plate. Arrows indicate middle spine of the second row that is either longer than or equal in length to the middle spine of the first (furrow) row and longer than adjacent spines in the same row.
FIGURE 11 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 11. Spination of AD plates of dried specimens of Astropecten jarli (paratype; ZMUC AST-201) and A. cingulatus (FSBC I 129674) from South America (AD spines of the plate in the center of the photo are intact; spines on other plates are damaged). Arrows indicate the middle spine of the second row.
FIGURE 5 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 5. MDS morphometric comparison of specimens from the West Atlantic Region identified as Astropecten cingulatus (open blue squares), from the East Atlantic Region identified as Astropecten jarli (open red diamonds) with the holotype of each species (filled diamond and square), and specimens from the East Atlantic Region identified by Downey in 1977 as A. jarli and subsequently relabeled as A. cingulatus (open green circles). Specimens examined (number in parenthesis): East Atlantic A. jarli—ZMUC AST-24 (1), ZMUC AST-201 (1), MNHN-IE-2013-12841 (2), MNHN-IE-2013-12842 (2), MNHN- IE-2013-12843 (1), MNHN-IE-2013-12845 (1), USNM E18542 (1), USNM 1418044 (1); West Atlantic A. cingulatus— NHMUK 1890.5.7.304 (1), NHMUK 1890.5.7.305 (1), USNM E18416 (1), USNM E18421 (2), USNM E18426 (1), USNM E15902 (3), USNM E18397 (1), USNM E18398 (2), CASIZ 11605 (3), FSBC I 129674 (1), FSBC I 80727 (2); East Atlantic A. cingulatus—USNM E18543 (3), USNM E18544 (2), USNM E18545 (1), USNM E18546 (2).
FIGURE 7 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 7. IM fringe spines at mid-arm. A) Astropecten jarli. Holotype (ZMUC AST-24). R = 100 mm. Abactinal view. B) Astropecten cingulatus. Holotype (NHMUK 1890.5.7.304). R = 28 mm. Abactinal view. C) Astropecten jarli. Holotype (ZMUC AST-24). R = 100 mm. Lateral view. D) Astropecten cingulatus (CASIZ 116105). R = 48 mm. Abactinal view. Proximal (left), distal (right). FR: IM fringe spines.
FIGURE 10 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 10. Astropecten cingulatus. Holotype (NHMUK 1890.5.7.304). Spination of AD plates. A) Furrow from mid-arm (left) to the interadial area (right). Arrow indicates enlarged spine of the second row of the AD plates which are adjacent to AL plates. B) Enlarged area of the box in panel A with enlarged middle spine. Numbers 1–3 indicate each row on one AD plate.
FIGURE 2 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 2. Astropecten jarli Madsen. Abactinal view (left) and actinal view (right). A) Holotype (ZMUC AST-24) from off the coast of Ahobre. R = 102 mm, R:r = 7.0. B) Specimen from off the coast of Dakar (MNHN-IE-2013-12842). R = 51 mm, R:r = 6.0.
FIGURE 1 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 1. Distribution of specimens identified as Astropecten cingulatus vouchered into museum collections (OBIS 2015a reports by Diveboard, OBIS 2015b, were excluded) and Astropecten jarli (Madsen 1950, Cherbonnier & Nataf 1973) with holotype locations indicated by stars. Astropecten spp. are specimens that were incorrectly identified as A. cingulatus and data submitted to OBIS (2015a).
FIGURE 9 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 9. Astropecten jarli. Paratype (ZMUC AST-201). Spination of AD plates with pedicellariae in the second row of spines. Arrows indicate pedicellariae.
FIGURE 4 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 4. Scatterplot of A) R:r vs R and B) R:SM# vs R of specimens of A. cingulatus and A. jarli. Scatterplot for A. jarli for R:r vs. R includes data reported by Madsen (1950, n = 4) and Cherbonnier & Nataf (1973, n = 3) and scatterplot for R:SM# includes data reported by Madsen, 1950 (n = 2). Specimens examined: see Table 1.
FIGURE 3. Astropecten cingulatus Sladen. A in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 3. Astropecten cingulatus Sladen. A) Holotype (NHMUK 1890.5.7.304) from off the coast of Brazil. Abactinal view (left) and actinal view (right). R = 28 mm, R:r = 3.1. B) Specimen from off the coast of Argentina (MACN 23493). R = 42 mm, R:r = 3.8. From Bernasconi (Plate VII, Fig.1. C) Specimen from off the coast of Brazil (CASIZ 116105). R = 48 mm, R:r = 3.8.
FIGURE 6 in Validation of Astropecten jarli Madsen, 1950 and implications for A. cingulatus Sladen, 1883 (Paxillosida: Astropectinidae)
FIGURE 6. Actinal surface of arm. A) Astropecten jarli. Holotype (ZMUC AST-24). B) Astropecten cingulatus. Holotype (NHMUK 1890.5.7.304).
FIGURE 16 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 16. Astropecten cingulatus adambulacral spination: A, Holotype. Actinal surface of arm including AD plates and IM plates. From Sladen (1889, Plate XXXIX 3). B, From Cerrera-Rodríguez & Tommasi (1977, Fig. 19D). Fr: fringe spines.
FIGURE 15 in Morphological comparison of Astropecten cingulatus and a new species of Astropecten (Paxillosida, Astropectinidae) from the Gulf of Mexico
FIGURE 15. Distribution of Astropecten cingulatus and A. karankawai examined in this study. Specimen lots examined from CAS (A. cingulatus n=1), FWRI (A. cingulatus n=89, A. karankawai n=2), ICML (A. karankawai n=42), MACN (A. cingulatus n=5), NHM (A. cingulatus n=1), TCRC (A. karankawai n=2), UF (A. karankawai n=1), and NMNH (A. cingulatus n=13, A. karankawai n=25).
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