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49 results for “Zygophylax”
Fig. 2. Acryptolaria normani Nutting, 1927 in Redescription Of Acryptolaria Normani Nutting, 1927, Junior Synonym Of The Western Pacific Species Zygophylax Tizardensis Kirkpatrick, 1890 (Cnidaria: Hydrozoa: Lafoeidae)
Fig. 2. Acryptolaria normani Nutting, 1927 (= Zygophylax tizardensis Kirkpatrick, 1890): A, origin of hydrocladium showing first hydrotheca (note the absence of nematothecae on hydrothecal pedicel); B, hydrotheca. Zygophylax tizardensis: C, hydrotheca. (A, B from holotype of Acryptolaria normani; C from Stechow's material). Scale bar: 250 m.
Fig. 1. Acryptolaria normani Nutting, 1927 in Redescription Of Acryptolaria Normani Nutting, 1927, Junior Synonym Of The Western Pacific Species Zygophylax Tizardensis Kirkpatrick, 1890 (Cnidaria: Hydrozoa: Lafoeidae)
Fig. 1. Acryptolaria normani Nutting, 1927 (= Zygophylax tizardensis Kirkpatrick, 1890). A, general appearance of a fragment of stem with hydrocladia and hydrothecal arrangement (note the presence of a broken secondary stem); B, cauline nematothecae; C, pedicel of first, basal, hydrotheca (note the absence of nematothecae); D, nematotheca of hydrothecal pedicel; E-F, hydrothecae. (All photographs from holotype).
Figures 10A–F. Zygophylax sagamiensis, stn 63. A, colony. B in Deep-water hydroids (Hydrozoa: Leptolida) from Macquarie Island
Figures 10A–F. Zygophylax sagamiensis, stn 63. A, colony. B, distal part of branch. C, hydrotheca with multiple marginal replications. D, pedicellate nematotheca on hydrorhiza. E, coppinia. F, hooded gonothecae from coppinia. Scale bar: A, 25 mm; B, 0.5 mm; C, 0.2 mm; D, 0.1 mm; E, F, 0.25 mm.
Figure 2. a–f. a, b, Zygophylax concinna. a, branch internodes with hydrothecae. b, hydrotheca. c, d in Bathyal and abyssal hydroids (Hydrozoa, Leptothecata) from southeastern Australia
Figure 2. a–f. a, b, Zygophylax concinna. a, branch internodes with hydrothecae. b, hydrotheca. c, d, Amphisbetia ramifera sp. nov. c, stem with subopposite hydrothecae and axillar hydrotheca. d, branch with opposite hydrothecae. e, f. Lytocarpia parvispiralis sp. nov. e, holotype colony. f, hydrothecae, lateral view.
PLATE 5 in A new species of Zygophylax (Quelch, 1885) (Cnidaria, Hydrozoa) from South Africa, with taxonomic notes on the southern African species of the genus
PLATE 5. Zygophylax millardae Rees & Vervoort, 1987. (A, B) hydrothecae of hydrocladia; (C) hydrotheca with several renovations; (D) detail of a hydrotheca with a nematotheca on apophysis. Scale: (A–D) 100 µm. (A—RMNH-Coel. slide 16521; B–D RMNH 1984.1.1.18).
PLATE 2. Zygophylax africana Stechow, 1923 in A new species of Zygophylax (Quelch, 1885) (Cnidaria, Hydrozoa) from South Africa, with taxonomic notes on the southern African species of the genus
PLATE 2. Zygophylax africana Stechow, 1923. (A, B) hydrocladium and branch with nematothecae on secondary axial tubes; (C) hydrocladium; (D–E) nematothecae on hydrothecal apophyses; (F) gonothecae surrounding branch; (G) detail of the gonothecae with two projections each. Scale: (A–E, G) 100 µm; (F) 200 µm. (ZMUC-HYD 268)
PLATE 4. Zygophylax infundibulum Millard, 1958 in A new species of Zygophylax (Quelch, 1885) (Cnidaria, Hydrozoa) from South Africa, with taxonomic notes on the southern African species of the genus
PLATE 4. Zygophylax infundibulum Millard, 1958. (A, C) hydrothecae of hydrocladia; (B) detail of a wrinkled part of pedicel hydrothecal; (D) detail of the sigmoid shape of hydrotheca; (E–F) detail of nematothecae on secondary axial tubes. Scale: (A, C, E) 100 µm; (B) 50 µm; (D) 200 µm. (ZMUC-HYD 271)
PLATE 3. Zygophylax crozetensis Millard, 1977 in A new species of Zygophylax (Quelch, 1885) (Cnidaria, Hydrozoa) from South Africa, with taxonomic notes on the southern African species of the genus
PLATE 3. Zygophylax crozetensis Millard, 1977. (A, B) hydrothecae of stem arranged in several planes; (C) detail of hydrothecal pedicel on a branch; (D) detail of the nematothecae on secondary axial tubes. Scale: (A) 500 µm; (B–D) 200 µm.
FIGURE 9 in On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa Zygophylacidae) from the New Calendonian region
FIGURE 9. Zygophylax pseudoabietinella sp. nov.: A, stem fragment showing hydrocladial apophysis, axillary hydrotheca and nematothecae; B, hydrocladial fragment showing shape and arrangement of hydrothecae; C–E, hydrothecae (in E arrow pointing to operculum); F, hydrothecal diaphragm; G, nematotheca (arrow); H, gonotheca. (All photographs from the holotype). Scale bar: 200 µm (A–B), 100 µm (C–E, G–H), 50 µm (F).
FIGURE 2 in On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa Zygophylacidae) from the New Calendonian region
FIGURE 2. Zygophylax dispersa sp. nov.: A, stem fragment showing hydrocladial origin and axillary hydrothecae; B, hydrocladial fragment showing hydrothecal arrangement; C, hydrocladial apophysis and axillary hydrotheca; D–E, hydrocladial hydrothecae; F, nematotheca; G, cross-section view of coppinia; H, gonothecae. (All material from the holotype). Scale bar: 200 µm (A–B, G), 100 µm (C–E, H), 50 µm (F).
FIGURE 5 in On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa Zygophylacidae) from the New Calendonian region
FIGURE 5. Zygophylax laertesi sp. nov.: A, stem fragment showing hydrothecae and nematothecae; B, stem fragment showing hydrocladial apophysis, axillary hydrotheca and nematothecae; C, hydrocladial fragment showing shape and arrangement of hydrothecae; D–F, hydrothecae (in D arrows pointing to operculum and internal cusp); G, hydrothecal diaphragm and keel (arrow); H, nematothecae from accessory tubes. (All photographs from the holotype). Scale bar: 200 µm (A–C), 100 µm (D–F, H), 50 µm (G).
FIGURE 8 in On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa Zygophylacidae) from the New Calendonian region
FIGURE 8. Zygophylax niobae sp. nov.: A–C, stem fragments showing hydrocladial apophyses and axillary hydrothecae; D–E, hydrocladial fragment showing shape and arrangement of hydrothecae; F–H, hydrothecae. (All photographs from the holotype). Scale bar: 200 µm (A–E), 100 µm (F–H).
FIGURE 7 in On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa Zygophylacidae) from the New Calendonian region
FIGURE 7. Zygophylax medeae sp. nov.: A, hydrocladial apophysis and axillary hydrotheca. Zygophylax niobae sp. nov.: B, stem fragment showing hydrocladial apophyses and axillary hydrotheca; C, hydrocladial hydrothecae. Zygophylax pseudoabietinella sp. nov.: D, distal stem fragment showing hydrocladial apophyses, axillary hydrotheca, and nematotheca; E, hydrocladial fragment showing shape and arrangement of hydrothecae. (All drawings from holotypes). Scale bar: 250 µm.
FIGURE 6 in On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa Zygophylacidae) from the New Calendonian region
FIGURE 6. Zygophylax medeae sp. nov.: A, hydrocladial apophysis; B, hydrocladial hydrotheca; C–D, axillary hydrothecae; E, nematothecae; F, gonothecae. (All photographs from the holotype). Scale bar: 200 µm.
FIGURE 1 in On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa Zygophylacidae) from the New Calendonian region
FIGURE 1. Zygophylax dispersa sp. nov.: A, Colony shape, branching and coppiniae (arrows); B, detail of coppinia. Zygophylax encarnae sp. nov.: C, colony shape and branching. Zygophylax laertesi sp. nov.: D, colony shape, branching and coppinia (arrow). Zygophylax medeae sp. nov.: E, colony shape, branching and coppinia (arrow). Zygophylax niobae sp. nov.: F, colony shape and branching. Zygophylax pseudoabietinella sp. nov.: G, colony shape, branching and coppinia (circle); H, detail of coppinia. (All material from holotypes). Scale bar: 5 mm.
FIGURE 4 in On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa Zygophylacidae) from the New Calendonian region
FIGURE 4. Zygophylax encarnae sp. nov.: A, stem fragment showing hydrocladial origin and axillary hydrotheca; B, hydrocladial apophysis, origin of axillary hydrotheca and nematotheca; C–D, hydrocladial fragments showing shape and arrangement of hydrothecae; E, hydrocladial hydrotheca; F, detail of hydrothecal pedicel and diaphragm; G, nematotheca; H, gonotheca. (All photographs from the holotype). Scale bar: 200 µm (A, C–D, H), 100 µm (B, E, G), 50 µm (F).
FIGURE 3 in On six new species of Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa Zygophylacidae) from the New Calendonian region
FIGURE 3. Zygophylax dispersa sp. nov.: A, hydrocladial apophysis and axillary hydrotheca; B, hydrocladial hydrotheca. Zygophylax encarnae sp. nov.: C, hydrocladial apophysis, axillary hydrotheca and nematotheca; D, hydrocladial fragment showing shape and arrangement of hydrothecae; E, gonotheca. Zygophylax laertesi sp. nov.: F, stem fragment showing hydrocladial origin, axillary hydrothecae and nematothecae; G, hydrocladial fragment showing shape and arrangement of hydrothecae; H, gonotheca. (All drawings from holotypes). Scale bar: 250 µm.
FIGURE 3. Zygophylax africana Stechow, 1923 in New records of bathyal Leptolida (Cnidaria: Hydrozoa: Leptothecata) from the Bay of Biscay and the northwestern Iberian Peninsula (northeastern Atlantic)
FIGURE 3. Zygophylax africana Stechow, 1923. Station DR06. A–C) Hydrothecae; note their tubular shape and the frequent renovations. D) Nematotheca. Scale bar: A–C=100 µm; D) 50 µm.
FIGURE 2. Zygophylax africana Stechow, 1923 in New records of bathyal Leptolida (Cnidaria: Hydrozoa: Leptothecata) from the Bay of Biscay and the northwestern Iberian Peninsula (northeastern Atlantic)
FIGURE 2. Zygophylax africana Stechow, 1923. Station DR06. A) Colony with coppinia. B) Main stem with two branches. C–D) Two images of the same coppinia. Gonothecae are polygonal in surface view, partially adpressed, and with two distal horns. Scale bar: A= 2000 µm; B= 500 µm; C–D= 1000 µm.
FIGURE 2. A–D Zygophylax crozetensis Millard, 1977. 2A in Two bathyal hydroids (Hydrozoa: Leptothecata) from the Southwest Indian Ocean
FIGURE 2. A–D Zygophylax crozetensis Millard, 1977. 2A, part of branch. 2B, hydrocladium. 2C, hydrotheca. 2D, nematotheca. Scale bar: A, 1.0 mm. B, 0.5 mm. C, 0.2 mm. D, 0.1 mm.
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