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51 results for “Ascidiidae”
FIGURE 2. A, B in Ascidia subterranea sp. nov. (Phlebobranchia: Ascidiidae), a new tunicate belonging to the A. sydneiensis Stimpson, 1855 group, found as burrow associate of Axiopsis serratifrons A. Milne-Edwards, 1873 (Decapoda: Axiidae) on Derawan Island, Indonesia
FIGURE 2. A, B Ascidia subterranea sp. nov. (MNHN P5 ASC.A 416/2), tunic removed seen from the left (A) and right (B) side respectively. C, D Corresponding drawings to the photographs in A and B. an—anus, as—atrial siphon, gd—gonadal ducts, ht(?)—enlarged blood vessel, probably the heart, in—intestine, mb—muscle belt, ov—ovary, re—rectum, sto—stomach
FIGURE 1. A in Ascidia subterranea sp. nov. (Phlebobranchia: Ascidiidae), a new tunicate belonging to the A. sydneiensis Stimpson, 1855 group, found as burrow associate of Axiopsis serratifrons A. Milne-Edwards, 1873 (Decapoda: Axiidae) on Derawan Island, Indonesia
FIGURE 1. A Opening of the burrow of Axiopsis serratifrons, with anterior end of the shrimp visible, surrounded by the narrow leafed morph of Halodule uninervis. B Tunic papillae (tpa) of Ascidia subterranea sp. nov. (MNHN P5 ASC.A 416/2). C Schematic representation of the habitat of Ascidia subterranea sp. nov., showing the position of the living tunicate on the burrow roof. Also shown are the pair of shrimps, and associated bivalves, gastropods and polychaetes. Three alternative (all of them speculative) positions for the siphon are depicted.
FIGURE 2. Ascidia ceratodes. A in Ascidiidae Herdman, 1882 (Tunicata: Ascidiacea) on the Pacific coast of Panama
FIGURE 2. Ascidia ceratodes. A. Right side of body (without tunic). B. Left side of body (without tunic). Scale bar: A, B = 0.5 cm.
FIGURE 6 in Ascidiidae Herdman, 1882 (Tunicata: Ascidiacea) on the Pacific coast of Panama
FIGURE 6. Ascidia cf. liberata. A. Right side of body (external), showing muscles. B. Esophageal aperture. C. Left side of body (external), showing gut and gonads. D. Gut and gonads (internal). Scale bar: A, C, D = 0.5 cm; B = 1.0 mm.
FIGURE 5 in Ascidiidae Herdman, 1882 (Tunicata: Ascidiacea) on the Pacific coast of Panama
FIGURE 5. Ascidia cf. liberata. A. Fresh animal. B. Right side of body (without tunic). C. Left side of body (without tunic). Scale bar: B, C = 0.5 cm.
FIGURE 8 in Ascidiidae Herdman, 1882 (Tunicata: Ascidiacea) on the Pacific coast of Panama
FIGURE 8. Ascidia sideralis sp. nov. A. Right side of body (external), showing muscles. B. Papillae in the prepharyngeal area. C. Left side of body (external), showing gut and gonads. D. Gut and gonads (internal). Scale bar: A, C, D = 0.5 cm; B = 1.0 mm.
FIGURE 7 in Ascidiidae Herdman, 1882 (Tunicata: Ascidiacea) on the Pacific coast of Panama
FIGURE 7. Ascidia sideralis sp. nov. A, B. Animal in field. C. Right side of body (without tunic). D. Left side of body (without tunic). Scale bar: C, D = 0.5 cm.
FIGURE 4 in Ascidiidae Herdman, 1882 (Tunicata: Ascidiacea) on the Pacific coast of Panama
FIGURE 4. Ascidia cf. gemmata. A. Right side of body (external), showing muscles. B. Left side of body (external), showing gut and gonads. C. Dorsal tubercle and anterior part of dorsal lamina. D. Gut and gonads (internal). Scale bar: A, B = 0.5 cm; C, D = 1.0 mm.
FIGURE 3 in Ascidiidae Herdman, 1882 (Tunicata: Ascidiacea) on the Pacific coast of Panama
FIGURE 3. Ascidia cf. gemmata. A. Right side of body (without tunic). B. Left side of body (without tunic). Scale bar: A, B = 0.5 cm.
FIGURE 2 in Description of Ascidia paulayi sp. nov. (Phlebobranchia: Ascidiidae) from French Polynesia, with a discussion about the Ascidia sydneiensis Stimpson, 1855 group
FIGURE 2. Ascidia paulayi sp. nov. A. Right side of the body (FLMNH UF 802). B. Left side of the body (FLMNH UF 788). C. Dorsal tubercle and anterior part of the dorsal lamina (FLMNH UF 802). OT = oral tentacles; DT = dorsal tubercle; NG = neural ganglion; DL = dorsal lamina. Scale bar: A, B = 0.5 cm; C = 1.0 mm.
FIGURE 1 in Description of Ascidia paulayi sp. nov. (Phlebobranchia: Ascidiidae) from French Polynesia, with a discussion about the Ascidia sydneiensis Stimpson, 1855 group
FIGURE 1. Ascidia paulayi sp. nov. Animal in field. A. FLMNH UF 788, holotype. B. FLMNH UF 787, paratype. Animal without tunic. C. Right side of the body (FLMNH UF 802). D. Left side of the body (FLMNH UF 788). Scale bar: C, D = 1.0 cm.
FIGURE 13 in Pedunculate Molgula species (Ascidiidae, Molgulidae) from the French Antarctic sector. Redescription and taxonomic revision
FIGURE 13. Molgula gigantea (Cunningham, 1871) from Terre Adélie: A, hepatic gland B, right gonad. C, left gonad (natural colours). D, dissection (scale bar = 5cm).
FIGURE 16 in Pedunculate Molgula species (Ascidiidae, Molgulidae) from the French Antarctic sector. Redescription and taxonomic revision
FIGURE 16. Molgula bouvetensis (Michaelsen, 1904): dissection stained with hemalum: A internal side; B, external side.
FIGURE 3 in Pedunculate Molgula species (Ascidiidae, Molgulidae) from the French Antarctic sector. Redescription and taxonomic revision
FIGURE 3. Molgula pedunculata (Herdman, 1881): A, both sides of a specimen without tunic. B, part of the branchial tissue between two folds.
FIGURE 9. Molgula herdmanina nom. nov. A, specimen opened along the endostyle B in Pedunculate Molgula species (Ascidiidae, Molgulidae) from the French Antarctic sector. Redescription and taxonomic revision
FIGURE 9. Molgula herdmanina nom. nov. A, specimen opened along the endostyle B, dissection with the branchial sac removed.
FIGURE 6 in Pedunculate Molgula species (Ascidiidae, Molgulidae) from the French Antarctic sector. Redescription and taxonomic revision
FIGURE 6. Molgula pedunculata (Herdman,1881) from Heard attached on specimens with long peduncle(Scale bar = 1cm). B, one of them opened along the endostyle.
FIGURE 12 in Pedunculate Molgula species (Ascidiidae, Molgulidae) from the French Antarctic sector. Redescription and taxonomic revision
FIGURE 12. Molgula gigantea (Cunningham, 1871) from Terre Adélie: A, specimen in formalin. B, part of the branchial tissue.
FIGURE 18. Molgula hodgsoni Herdman, 1910 in Pedunculate Molgula species (Ascidiidae, Molgulidae) from the French Antarctic sector. Redescription and taxonomic revision
FIGURE 18. Molgula hodgsoni Herdman, 1910 from CEAMARC: A dissection (scale bar = 1cm). B, branchial sac.
FIGURE 2 in Pedunculate Molgula species (Ascidiidae, Molgulidae) from the French Antarctic sector. Redescription and taxonomic revision
FIGURE 2. Molgula pedunculata (Herdman, 1881) from CEAMARC: A, specimen fixed with formaldehyde. B, left part of the branchial sac stained with hemalum. C, detail of the same branchial tissue between two folds.
FIGURE 17. Molgula hodgsoni Herdman, 1910 in Pedunculate Molgula species (Ascidiidae, Molgulidae) from the French Antarctic sector. Redescription and taxonomic revision
FIGURE 17. Molgula hodgsoni Herdman, 1910 from REVOLTA: A, one entire specimen (scale bar = 1cm); B, dissection of a specimen. C, dissection of another specimen.D, dorsal part of a specimen. E, part of the branchial tissue.
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