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30 results for “Geodiidae”
FIGURE 9 in Taxonomy of Geodia and Rhabdastrella from the Brazilian coast: a new species new synonyms and redescription of Geodia tylastra (Demospongiae: Astrophorina Geodiidae and Ancorinidae)
FIGURE 9. Morphological and anatomical characters of Geodia polytriaena sp. nov. (A) Holotype UFSPOR 1130; (B) Detail of the lateral pre-oscula and uniporal oscules; (C) Cortex (cx) and choanosome (cho) in transversal section.
FIGURE 6 in Taxonomy of Geodia and Rhabdastrella from the Brazilian coast: a new species new synonyms and redescription of Geodia tylastra (Demospongiae: Astrophorina Geodiidae and Ancorinidae)
FIGURE 6. Ectosome and choanosome in transversal section of Geodia tylastra Boury-Esnault, 1973, showing outer cortex (ocx), inner cortex (icx) and choanosome (cho). (A) MNHN.LBIM.D.NBE 999 (holotype); (B) YPM 5730 (holotype of Rhabdastrella fibrosa); (C) UFRJPOR 3098 (holotype of Geodia corticostylifera).
FIGURE 10 in Taxonomy of Geodia and Rhabdastrella from the Brazilian coast: a new species new synonyms and redescription of Geodia tylastra (Demospongiae: Astrophorina Geodiidae and Ancorinidae)
FIGURE 10. Spicules of Geodia polytriaena sp. nov. (holotype UFSPOR 1130). (A) Oxeas I; (B) Oxea II; (C) Orthotriaenes; (D) Dichotriaene cladome with a third ramification (broken); (E) Anatriaene cladome; (F) Mesotriaene (broken); (G) Sterraster; (H) Sterraster rosettes; (I) Oxyasters I; (J) Oxyasters II; (K) Strongylasters. (A–C, E, G–K: SEM).
FIGURE 8 in Taxonomy of Geodia and Rhabdastrella from the Brazilian coast: a new species new synonyms and redescription of Geodia tylastra (Demospongiae: Astrophorina Geodiidae and Ancorinidae)
FIGURE 8. Microscleres of the holotypes of (A) Geodia tylastra (MNHN.LBIM.D.NBE 999), (B) Rhabdastrella fibrosa (YPM 5730) and (C) Geodia corticostylifera (UFRJPOR 3098). A1, B1, C1: Sterrasters. A2, B2, C2: Oxyasters I. A3, B3, C3: Oxyasters II.
FIGURE 5 in Taxonomy of Geodia and Rhabdastrella from the Brazilian coast: a new species new synonyms and redescription of Geodia tylastra (Demospongiae: Astrophorina Geodiidae and Ancorinidae)
FIGURE 5. Type specimens of (A–B) Geodia tylastra (Holotype MNHN.LBIM.D.NBE 999); (C–D) Rhabdastrella fibrosa (Holotype YPM 5730); (E–F) Geodia corticostylifera (E, Paratype UFRJPOR 3714; F, Paratype UFRJPOR 2906). A, C, E, top views; B, D, F, side views.
FIGURE 3 in Taxonomy of Geodia and Rhabdastrella from the Brazilian coast: a new species new synonyms and redescription of Geodia tylastra (Demospongiae: Astrophorina Geodiidae and Ancorinidae)
FIGURE 3. Distribution of Geodia glariosa, Geodia tylastra and Geodia polytriaena sp. nov. Stars represent new species and new records (nr) and circles are previous records (pr) from the literature. See Tab. 2 for localities and references.
FIGURE 2 in Taxonomy of Geodia and Rhabdastrella from the Brazilian coast: a new species new synonyms and redescription of Geodia tylastra (Demospongiae: Astrophorina Geodiidae and Ancorinidae)
FIGURE 2. Megascleres and microscleres of Geodia glariosa (specimen UFSPOR 735). (A) Oxea I; (B) Oxea II; (C) Orthotriaene (ot), plagiotriaene (pl) and anatriaene (an); (D) Protriaene cladome; (E) Sterraster; (F) Sterraster rosettes; (G) Oxyasters; (H) Spheroxyasters; (I) Strongylasters.
FIGURE 4 in Taxonomy of Geodia and Rhabdastrella from the Brazilian coast: a new species new synonyms and redescription of Geodia tylastra (Demospongiae: Astrophorina Geodiidae and Ancorinidae)
FIGURE 4. Morphological variation of Geodia tylastra in vivo in different localities in Brazil (all published as G. corticostylifera). A, Arraial do Cabo, Rio de Janeiro State (from Muricy & Hajdu 2006, photo by Eduardo Hajdu); B, Salvador, Bahia State (from Hajdu et al. 2011; photo by Eduardo Hajdu). C–D, Potiguar Basin, Rio Grande do Norte State (from Muricy et al. 2008; photos by Fernando Moraes). Approximate size of the specimens: A, 12 cm wide; B, 2.5 cm high; C, 8 cm wide; D, 6 cm high.
FIGURE 1 in Taxonomy of Geodia and Rhabdastrella from the Brazilian coast: a new species new synonyms and redescription of Geodia tylastra (Demospongiae: Astrophorina Geodiidae and Ancorinidae)
FIGURE 1. Morphological and anatomical characters of Geodia glariosa. (A–B) Specimen UFSPOR 735, top view (A) and bottom view (B); (C) Cortex and choanosome in transversal section, showing outer cortex (ocx), inner cortex (icx) and choanosome (cho).
FIGURE 1 in Is the North Atlantic Geodia barretti (Porifera, Tetractinellida, Geodiidae) present on the Southwest Indian Ridge?
FIGURE 1. Sampling location of Geodia cf. barretti in the Southwest Indian Ridge.
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