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397 results for “Echinoidea”
Fig. 4. Syndesmis aonikenki n in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean
Fig. 4. Syndesmis aonikenki n. sp. A, B, whole mount preparations. C, sagittal section of the body. Abbreviations: ed, ejaculatory duct; eg, egg; f, filament; fg, filament glands; i, intestine; ma, male atrium; ov, ovary; sr, seminal receptacle; st, stylet; u, uterus; va, vagina; vit, vitellaria.
Fig. 3 in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean
Fig. 3. Schematic reconstruction of Syndesmis aonikenki n. sp. in dorso-ventral view. Abbreviations: eg, egg; f, filament; fg, filament glands; ov, ovary; st, stylet; t, testes; vit, vitellaria.
Fig. 1 in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean
Fig. 1. Schematic reconstruction of Syndesmis selknami n. sp. in dorso-ventral view. Abbreviations: eg, egg; f, filament; fg, filament glands; ov, ovary; st, stylet; t, testes; vit, vitellaria.
Fig. 2. Syndesmis selknami n in Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean
Fig. 2. Syndesmis selknami n. sp. A, D, whole mount preparations. B, C, E, F, sagittal sections of the body. Abbreviations: b, brain; ed, ejaculatory duct; eg, egg; f, filament; fg, filament glands; i, intestine; ov, ovary; sp, sensory pit; sr, seminal receptacle; t, testes; u, uterus; vc, vacuolar cells; vit, vitellaria. The white arrow heads marks the proximal part of the stylet and black arrow heads mark the distal part.
Fig. 2. Araeosoma owstoni Mortensen, 1904. A in A newly recorded sea urchin, Araeosoma owstoni Mortensen, 1904 (Echinoidea; Echinothurioida; Echinothuriidae), from the Korea Strait
Fig. 2. Araeosoma owstoni Mortensen, 1904. A, aboral side; B, oral side. C, tridentate pedicellaria and its valves; D, valves of triphyllous pedicellaria.
Fig. 1 in A newly recorded sea urchin, Araeosoma owstoni Mortensen, 1904 (Echinoidea; Echinothurioida; Echinothuriidae), from the Korea Strait
Fig. 1. Distribution of Araeosoma owstoni Mortensen, 1904. A, collection localities of A. owstoni, A. owstoni bicolor (A. Agassiz and H.L. Clark, 1907) and A. owstoni nudum Mortensen, 1934 from previous studies; B, collecting site of A. owstoni of this study and marked as '★' on the map.
FIG. 5 in A new record of Temnopleurus decipiens (de Meijere, 1904) (Echinoidea, Temnopleuroida, Temnopleuridae) from Indian waters
FIG. 5. — Temnopleurus toreumaticus (Leske, 1778): A, primary tubercle; B, interambulacrum; C, sutural pit near peristome; D, pyramid of Aristotle's lantern; E, apical system. Scale bar: 10 mm.
FIG. 4 in A new record of Temnopleurus decipiens (de Meijere, 1904) (Echinoidea, Temnopleuroida, Temnopleuridae) from Indian waters
FIG. 4. — Banding on spines of: A, Temnopleurus decipiens (de Meijere, 1904); B, Temnopleurus toreumaticus (Leske, 1778). Scale bars: 10 mm.
FIG. 3 in A new record of Temnopleurus decipiens (de Meijere, 1904) (Echinoidea, Temnopleuroida, Temnopleuridae) from Indian waters
FIG. 3. — Temnopleurus decipiens (de Meijere, 1904):A, primary tubercle; B, interambulacrum; C, sutural pit near peristome; D, pyramid of Aristotle's lantern; E, apical system. Scale bar: 10 mm.
FIG. 6 in A new record of Temnopleurus decipiens (de Meijere, 1904) (Echinoidea, Temnopleuroida, Temnopleuridae) from Indian waters
FIG. 6. — Geographical distribution of Temnopleurus decipiens (de Meijere, 1904) and Temnopleurus toreumaticus (Leske, 1778). Scale bar: 1 000 km.
FIG. 2. — A, B in A new record of Temnopleurus decipiens (de Meijere, 1904) (Echinoidea, Temnopleuroida, Temnopleuridae) from Indian waters
FIG. 2. — A, B, oral views of Temnopleurus decipiens (de Meijere, 1904) (A) and Temnopleurus toreumaticus (Leske, 1778) (B); C, D, aboral views of T. decipiens (C) and T. toreumaticus (D). Scale bars: 10 mm.
Figure 1. A and B in A new species of Peribrissus (Echinoidea, Spatangoida) from the middle Miocene of South Australia
Figure 1. A and B, general location maps; C, map of Murray River between Waikerie and Swan Reach, South Australia, showing locality of NMV PL3203, north of Blanchetown.
Figure 2 in A new species of Peribrissus (Echinoidea, Spatangoida) from the middle Miocene of South Australia
Figure 2. Peribrissus janiceae sp. nov. A–E, outline drawings of adapical, adoral, left lateral, anterior and posterior views of holotype NMV P316528, showing paths followed by marginal (mf) and semipetalous (spf) fascioles, and position of peristome (pse) and periproct (ppt).
Figure 1 in Tuleariocaris neglecta Chace, 1969 (Crustacea: Caridea: Palaemonidae) associated with the sea urchin Astropyga magnifica Clark, 1934 (Echinoidea: Diadematidae) in the Alcatraz Archipelago, southeastern Brazil
Figure 1. (A-C) Tuleariocaris neglecta Chace, 1969. (A) female, pcl 27 mm (MZUSP 41663). Trindade Island, associated with the sea urchin Diadema ascensionis Mortensen, 1909. Photograph by André Pol. B, C Female, pcl 25 mm (MZUSP 42515). Alcatraz Archipelago, off São Paulo, associated with Astropyga magnifica Clark, 1934. (B, C) Anterior part of body,lateral and dorsal views, respectively. Setae and dorso-rostral teeth omitted. Dorsal left side not represented in (C). Scales:B, C, 1 mm.
FIG. 1 in A new record of Temnopleurus decipiens (de Meijere, 1904) (Echinoidea, Temnopleuroida, Temnopleuridae) from Indian waters
FIG. 1. — Map of studied area in India indicating trawl operations.
Figure 6 in First record of the heart urchin Plagiobrissus grandis (Gmelin, 1791) (Echinodermata: Echinoidea) in the coastal region of Paraná, southern Brazil
Figure 6. Photomicrograph of a female gonad follicle of Plagiobrissus grandis (ECH 033) found near Parque Nacional de Ilha dos Currais (Paraná State). FN: nutritive phagocyte; OP: primary oocyte. HE ×10 (original magnification). Photo: Yara A. Garcia Tavares.
Figure 5 in First record of the heart urchin Plagiobrissus grandis (Gmelin, 1791) (Echinodermata: Echinoidea) in the coastal region of Paraná, southern Brazil
Figure 5. Geographical distribution of Plagiobrissus grandis in America. The dots represent the previous and new records of the species. Map background generat- ed with package ̎ggmap″ using Google Maps API.
Figure 1 in First record of the heart urchin Plagiobrissus grandis (Gmelin, 1791) (Echinodermata: Echinoidea) in the coastal region of Paraná, southern Brazil
Figure 1. Live specimen Plagiobrissus grandis (ECH 033) in an aquarium. (A) oral view and (B) aboral view. (C) Image of the covering behavior. Photos: Robin Hilbert Loose.
Figure 3 in First record of the heart urchin Plagiobrissus grandis (Gmelin, 1791) (Echinodermata: Echinoidea) in the coastal region of Paraná, southern Brazil
Figure 3. Oral view specimen Plagiobrissus grandis (ECH 033) – captured at approximately 10 m depth near Parque Nacional Marinho das Ilhas dos Currais (Paraná State). Oral view and plastron (A), long spines fan-shaped base, localized outside the plastron (B) and spatulate spines in the plastron (C). Photo: Maristela Bueno.
Figure 2 in First record of the heart urchin Plagiobrissus grandis (Gmelin, 1791) (Echinodermata: Echinoidea) in the coastal region of Paraná, southern Brazil
Figure 2. Fixed specimen Plagiobrissus grandis (ECH 033) – captured at approximately 10 m depth near Parque Nacional Marinho das Ilhas dos Currais (Paraná State). Aboral view (left) and oral view (right). Photo: Maristela Bueno.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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