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23 results for “Aplousobranchia”
FIGURE 1 in Questions on the taxonomic status of species of Protoholozoa Kott 1969 (Ascidiacea Aplousobranchia, Holozoidae) with a description of a new genus
FIGURE 1. Protoholozoa pedunculata: A,B, both sides of a colony from the Indian Ocean; C,D, zooids seen in transparency through the tunic. Scale bars = 1 cm.
FIGURE 3 in Questions on the taxonomic status of species of Protoholozoa Kott 1969 (Ascidiacea Aplousobranchia, Holozoidae) with a description of a new genus
FIGURE 3. Protoholozoa pedunculata: A,B, the thorax of two zooids opened along the endostyle and stained with hemalum; C, zooid with incubated embryos in the thorax. Scale bars = 2 mm.
FIGURE 2 in Questions on the taxonomic status of species of Protoholozoa Kott 1969 (Ascidiacea Aplousobranchia, Holozoidae) with a description of a new genus
FIGURE 2. Protoholozoa pedunculata: A,B, two zooids of a colony from the Indian Ocean; C,D, larvae incubated inside the thorax. Scale bars = 2 mm.
FIGURE 4 in Questions on the taxonomic status of species of Protoholozoa Kott 1969 (Ascidiacea Aplousobranchia, Holozoidae) with a description of a new genus
FIGURE 4. Protoholozoa pedunculata: A,B, two tadpoles of a colony from the Indian Ocean, scale bar = 1 mm. C, tadpole, specimen from South Orkney Islands (USNM), scale bar = 0.5 mm. D, tadpole, specimen from the Scotia Arc (MZUC) scale bar = 0.6 mm.
FIGURE 2 in Pattern of stigma numbers as a taxonomic character in some didemnid ascidians (Aplousobranchia: Didemnidae)
FIGURE 2. Component ratio of stigma patterns in the five morphotypes of Didemnum molle. Black indicates the eight stigma patterns found in all morphotypes; gray indicates the patterns shared in two to four morphotypes; white indicates the patterns unique to one morphotype.
FIGURE 1 in Pattern of stigma numbers as a taxonomic character in some didemnid ascidians (Aplousobranchia: Didemnidae)
FIGURE 1. Collection sites of didemnid ascidians in the Ryukyu Archipelago–Taiwan. The site symbols (A–O) correspond to those in TABLE 1. A: Bise, Okinawajima Island (26°42΄40"N, 127°52΄30"E); B: Seragaki, Okinawajima Island (26°30΄30"N, 127°51΄37"E); C: Manza, Okinawajima Island (26°30΄10"N, 127°50΄34"E); D: Zanpa, Okinawajima Island (26°26΄20"N, 127°42΄45"E); E: Nagahama, Okinawajima Island (26°25΄20"N, 127°44΄10"E); F: Odo, Okinawajima Island (26°5΄25"N, 127°42΄30"E); G:Nishizaki, Iejima Island, Okinawajima Islands (26°42΄30"N, 127°45΄40"E); H: Sesoko,Sesokojima Island, Okinawajima Islands (26°38΄50"N, 127°52΄25"E); I: Shinri-hama, Kumejima Island, Okinawajima Islands (26°20΄57"N, 126°42΄50"E); J: Ara-hama, Kumejima Island (26°18΄55"N, 126°46΄25"E); K: Nagama-hama, Kurimajima Island, Miyako Islands (24°43΄40"N, 125°14΄25"E); L: Kaiji-hama, Taketomi Island, Yaeyama Islands (24°18΄50"N, 124°4΄50"E); M: Nakamoto, Kuroshima Island, Yaeyama Islands (24°13΄50"N, 123°59΄50"E); N: Gueiwan, Lyudao, Taiwan (22°38΄45"N, 121°28΄32"E); and O: Nanwan, Kenting, Taiwan (21°57΄30"N, 120°45΄50"E).
FIGURE 3 in Pattern of stigma numbers as a taxonomic character in some didemnid ascidians (Aplousobranchia: Didemnidae)
FIGURE 3. Thoraxes of Trididemnum clinides (A, right side view) and Trididemnum nubilum (B, left side view). The stigma patterns are <9, 8, 8> in A and <5, 5, 4> in B. Numbers indicate the stigmata in the first rows. en, endostyle; es, esophagus. Scale bars, 0.1 mm.
FIGURE 14 in Polyclinidae (Ascidiacea: Aplousobranchia) from the Gulf of Mexico, collected during the "Hourglass" cruises (1965 - 1967)
FIGURE 14. Polyclinum campi sp. n. Scales 1 cm—Preserved material in formalin. A—EJ-67-162; B—EJ-67-330; C—EJ-67- 76.
FIGURE 4 in Polyclinidae (Ascidiacea: Aplousobranchia) from the Gulf of Mexico, collected during the "Hourglass" cruises (1965 - 1967)
FIGURE 4. Aplidium bermudae. Scales: 1 cm—Preserved material in formalin. A—EJ-67-80; B—EJ-66-118 and C—EJ-67- 316.
FIGURE 7. Aplidium constellatum. A in Polyclinidae (Ascidiacea: Aplousobranchia) from the Gulf of Mexico, collected during the "Hourglass" cruises (1965 - 1967)
FIGURE 7. Aplidium constellatum. A—thorax and abdomen; B—thorax, abdomen and post-abdomen. Scale: A and B = 1 mm.
FIGURE 11. Aplidium ruzickai. A in Polyclinidae (Ascidiacea: Aplousobranchia) from the Gulf of Mexico, collected during the "Hourglass" cruises (1965 - 1967)
FIGURE 11. Aplidium ruzickai. A—thorax and abdomen; B—thorax; C—post-abdomen; D—larvae. Scale: A, B and C = 1 mm; D = 0,1 mm.
FIGURE 10. A in Polyclinidae (Ascidiacea: Aplousobranchia) from the Gulf of Mexico, collected during the "Hourglass" cruises (1965 - 1967)
FIGURE 10. A—Aplidium ruzickai, internal organization of the colony. B—External appearance of the colony. Scales de 1 cm.—Preserved material in formalin.
FIGURE 5. Aplidium bermudae. A in Polyclinidae (Ascidiacea: Aplousobranchia) from the Gulf of Mexico, collected during the "Hourglass" cruises (1965 - 1967)
FIGURE 5. Aplidium bermudae. A—thorax and abdomen; B—thorax, abdomen and post-abdomen. Scale: A and B = 1 mm.
FIGURE 17 in Polyclinidae (Ascidiacea: Aplousobranchia) from the Gulf of Mexico, collected during the "Hourglass" cruises (1965 - 1967)
FIGURE 17.? Synoicum pulmonaria. A—thorax; B—abdomen; C—post-abdomen; D—larvae. Scale: A, B and C = 1 mm; D and E = 0,1 mm.
FIGURE 8. Aplousobranchia, Ritterellidae. A–C in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 8. Aplousobranchia, Ritterellidae. A–C: Ritterella pulchra. A, whole colony; B, enlargement of one lobe of living colony; C, one zooid. D–G: Ritterella rubra. D, E: two lobes of same colony; F: one zooid; G; enlargement of thorax of same zooid. Scale bars: A, 0.7 cm; B, 1 mm; C, 4 mm; D, 5 mm; E: 7 mm; F, 1.2 mm. Photo D by G. Paulay.
FIGURE 7. Aplousobranchia. A, B in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 7. Aplousobranchia. A, B: Holozoidae, Distaplia smithi. A: whole colony. B: enlargement of part of same colony. Scale bars: A, 1.7 cm; B, 0.5 cm. Photo A by G. Paulay.
FIGURE 4. Aplousobranchia, Didemnidae. A–C in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 4. Aplousobranchia, Didemnidae. A–C: Diplosoma listerianum. A: colony on Scyra acutifrons; B, C: close-ups of zooids from two different color morphs. D–F: Trididemnum alexi. D: colony on living scallop; E: same colony closeup with amphipod Polycheria osborni burrowed into tunic surface; F: tunic spicules. Scale bars: A, 1 cm; B, 1.5 mm; C, 1.3 mm; D, 1.6 cm; E, 3.2 mm; F, 35 µm. Photos B and D by G. Paulay.
FIGURE 9. Aplousobranchia. A–D in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 9. Aplousobranchia. A–D: Clavelinidae. A: Clavelina huntsmani. B–D: Pycnoclavella stanleyi. B: expanded orange thoraxes extended beyond sandy tubes. C: thoraxes partially contracted. Photo includes four zooids of orange Metandrocarpa taylori. D: zooids fully contracted; only a bit of orange is visible. E, F: Euherdmaniidae, Euherdmania claviformis. E: zooids fully retracted into long sand-encrusted tubes. F: In this colony the anterior portions of the tubes not sand-encrusted, though the colorless zooid thoraxes are partially contracted. Scale bars: A, 7 mm; B, 2 mm; C, 4 mm; D, 1 cm; E, 1.2 cm; F, 1 cm. A, B, D, F photos by G. Paulay.
FIGURE 2. Aplousobranchia, Polyclinidae. A–D, Aplidium kottae. A, B in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 2. Aplousobranchia, Polyclinidae. A–D, Aplidium kottae. A, B: part of colony; C: siphons of a single zooid; D: tad- pole. E: Aplidium californicum. F–H: Aplidium sp. F, G: part of colony; H: zooid. Scale bars: A, 1.4 cm; B, 0.7 cm; C, 34 µm; D, 143 µm; E, 0.7 cm; F, 1 cm; G, 4 mm; H, 1 mm.
FIGURE 3. Aplousobranchia, Polycitoridae. A, B in The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz
FIGURE 3. Aplousobranchia, Polycitoridae. A, B: Cystodytes lobatus. A: whole colony, photo G. Paulay; B: small part of tunic showing disc–shaped spicules. C: Eudistoma purpuropunctatum 10 cm in width. D–F: Eudistoma ritteri. D: separated lobes of a colony; E: part of a different colony; F: thorax of single zooid showing the siphons and the three rows of stigmata. Scale bars: A, 1 cm; B, 0.5 mm; D, 1.3 cm; E, 0.5 cm; F, 1 mm.
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