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28 results for “Trikentrion”
Figure 9 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 9 - Cyamon aruense Hentschel, 1912, holotype SMF 1618, A fragments from holotype B long thin style (broken) B1 detail of head of long thin style C short thin style C1 detail of head of short thin style D short thick style D1 detail of head of short thick style E polyactines.
Figure 8 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 8 - Cyamon agnani (Boury-Esnault, 1973), ZMA Por 10539 from NE Colombia A1 shape (scale 1 cm) A2 cross section of skeleton B long thin style B1 detail of head of long thin style C upper part of short thin style D short thick style D1 detail of head of short thick style E polyactines F incipient polyactine showing smooth cladi.
Figure 7 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 7 - Cyamon agnani (Boury-Esnault, 1973), holotype MNHN NBE 947, A long thin style A1 detail of head of long thin style B short thick style B1 detail of head of short thick style C short thin style D polyactines.
Figure 6 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 6 - Cyamon arguinense sp. n., holotype ZMA Por. 06723, A shape (arrow) encrusting a fragment of sandstone (scale 1 cm) B subtylostyle B1 details of apices of subtylostyle C short thin centrotylote style C1 details of apices and middle part of short thin centrotylote style D polyactines.
Figure 14 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 14 - Cyamon quinqueradiatum Carter, 1880, images of Dendy's (1905) non-type slides BMNH 1954.2.23.8 (A–E) and Cyamon quadriradiatum Carter, 1880 (E left), A–C various perpendicular sections showing long subtylostyles and basal polyactines of Cyamon quinqueradiatum D polyactine of Cyamon quinqueradiatum showing spined basal cladus and smooth lateral cladi E Cyamon quadriradiatum Carter, 1880 and Cyamon quinqueradiatum Carter, 1880, original drawings from Carter, 1880, E (right) Cyamon quinqueradiatum, right side of figure, showing long subtylostyle, short subtylostyle, thin style, and polyactine with spined basal cladus and smooth lateral cladi E(left) Cyamon quadriratiatum, left side of figure, showing long thick style, thin wavy spicule, and entirely spined polyactines.
Figure 3 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 3 - Cyamon vickersii (Bowerbank, 1864), ZMA material (Por. 10660) from the Seychelles A 'strawberry' shape (scale 1 cm) B long thin style C short thick styles D short thin (strongylo-)styles D1 details of apices of short thin (strongylo-)style E polyactines F overview of spicules.
Figure 2 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 2 - Cyamon vickersii (Bowerbank, 1864), SEM images of spicules of the holotype BMNH 1877.5.21.188, A long thin style A1 details of apices of long thin style B short thin (strongylo-)style B1details of apices of short thin (strongylo-)style C short thick style C1 details of apices of short thick style D four-claded (left) and three-claded (right) polyactines.
Figure 27 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 27 - Idealized global distribution of the genus Cyamon, showing presence of the genus in Marine Ecoregions of the World (Spalding et al. 2007).
Figure 19 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 19 - Plectronella papillosum Sollas (1879), assumed to be a junior synonym of Trikentrion muricatum (Pallas, 1766), A shape, repinted from Sollas (1879: pl. 4) B remaining type material in the form of two microscopic slides BMAG Ah 200.1, 200.3 C overview of spicules present in one of the microscopic slides D polyactine spicules present in one of the microscopic slides.
Figure 22 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 22 - Trikentrion flabelliforme Hentschel, 1912, A flabellate specimen ZMA Por. 14023 from Darwin, North Australia (scale bar = 1 cm) B branching-digitate specimen RMNH Por. 978 infested with zoanthids from Aru Islands Indonesia (scale bar = 1 cm) C peripheral skeleton of ZMA Por. 14023 showing raspailiid character of long thin style sheathed in a bouquet of short thin styles D thick section of choanosomal skeleton of ZMA Por. 14023.
Figure 10 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 10 - Cyamon koltuni Sim & Bakus, 1986, A1 Californian holotype, USNM 33630, encrusting a rock (scale = 1 cm) A2 Mexican Pacific specimen LEB-ICML-UNAM 1497 B cross section of peripheral region C thick section of basal mass of polyactines D fragments of long thin style D1 microphoto of detail of rounded apex of long thin style E short thin style F short thick styles G three- to five-claded polyactines showing prominent bulbous ending of lateral cladi.
Figure 4 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 4 - Cyamon amphipolyactinum sp. n., holotype ZMA Por. 22412, A shape (arrow) encrusting a fragment of sandstone (scale 1 cm) B long thin style B1 details of apices of long thin style C short thin style C1 details of apices of short thin style D short thick styles showing size variation D1 detail of head of short thick style E polyactines (three-, four-, five-, and seven-claded) and one amphipolyactine showing size differences E1 detail of bulbous end of lateral cladus F amphipolyactines full-grown and spined (left) next to incipient smooth spicule (right).
Figure 16 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 16 - Cyamon spinispinosum (Topsent, 1904), ZMA Por. 19422, from SE Rockall Bank, North Atlantic A shape encrusting deep sea coral (scale = 1 cm) B short style, lightly spined at the head B1 details of apices of short style C long style, coarsely spined C1 detail of head of long style D various shapes of polyactines E detail of the cladome of a seven-claded polyactine.
Figure 13 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 13 - Cyamon argon Dickinson, 1945, holotype AHF-NHMLA L35535 (D34), A detail of head of long thin style B short thick style B1 detail of head of short thick style C short thin centrotylote (strongylo-)style C1 detail of spined apex of short thin (strongylo-)style C2 detail of centrotylote part of short thin (strongylo-)style D polyactines D1 heavily spined basal cladus of polyactine D2 lightly spined lateral cladus of polyactine E diactine polyactines.
Figure 1 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 1 - Cyamon vickersii (Bowerbank, 1864), holotype material, A holotype specimen BMNH 1877.5.21.188 (scale 1 cm) B illustrations from redescription of holotype by Carter (1879: plate 27 figs 5–6, 8) C photo of one of the original Bowerbank type slides containing thick sections D microphoto of spicules from one of the original Bowerbank type slides containing dissociated spicules.
Figure 15 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 15 - Cyamon hamatum sp. n. (Cyamon vickersii sensu Burton and Rao 1932), from S India, A slide BMNH 1931.1.1.19a, labeled 'Cyamon vickersii (Bow.) Ind. Mus. Coll.' in Burton's handwriting B microphoto of section of skeleton made from the slide C characteristic polyactine with recurved hook-like spines on basal cladus and short stubby lateral cladi.
Figure 5 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 5 - Map showing locality off the Mauritanian coast, where Cyamon amphipolyactinum sp. n. and Cyamon arguinense sp. n. were collected during the Netherlands Mauritania II Expedition, June 1988.
Figure 12 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 12 - Cyamon argon Dickinson, 1945, holotype AHF-NHMLA L35535 (D34), A shape (scale mm) (photo Phyllis Sun) B microphoto of cross section of skeleton showing columns of styles supported by polyactines C microphoto of a range of polyactine shapes.
Figure 24 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 24 - Trikentrion helium Dickinson, 1945, holotype AHF-NMHLA L-35535 (D33), A shape of holotype (photo Phyllis Sun) B long thin style B1 detail of head of long thin style C details of short thin style D polyactines D1 reduced diactinal polyactine D2 detail of spination of basal clade of three-claded polyactine D3 detail of apex of lateral clade of three-claded polyactine E trichodragmas.
Figure 21 from: Van Soest R, Carballo J, Hooper J (2012) Polyaxone monaxonids: revision of raspailiid sponges with polyactine megascleres (Cyamon and Trikentrion). ZooKeys 239: 1-70. https://doi.org/10.3897/zookeys.239.3734
Figure 21 - Trikentrion laeve Carter, 1879, holotype BMNH 1848.10.4.6, A shape of holotype specimen (size bar = 1 cm) B details of apices of long thin style C short thin style C1 detail of rounded head of short thin style D oxeas E polyactine F trichodragma.
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