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26 results for “Rossellidae”
FIGURE 9 in Revision of the subgenus Neopsacas (Hexactinellida, Rossellidae, Crateromorpha) with the description of new species and subspecies
FIGURE 9. Crateromorpha (Neopsacas) obi, sp. nov., spicules: A–B, dermal or atrial pentactins. B, pentactin with rudimental ray directed inside the body. C, hypodermal or hypoatrial pentactin. D, hypodermal or hypoatrial hexactin. E–F, parts of choanosomal diactin. G, drepanocome. H, secondary ray of drepanocome.
FIGURE 7 in Revision of the subgenus Neopsacas (Hexactinellida, Rossellidae, Crateromorpha) with the description of new species and subspecies
FIGURE 7. Crateromorpha (Neopsacas) krinovi discoli ssp. nov., spicules: A–E, atrial diactin. F, atrial monactin. G, atrial tauactin. H, hypodermal pentactin. I, choanosomal diactin. J, discohexactin. K–L, discopentactins. M, discostauractin. N, discoparatetractin. O, discodiactin ("amphidisc").
FIGURE 6 in Revision of the subgenus Neopsacas (Hexactinellida, Rossellidae, Crateromorpha) with the description of new species and subspecies
FIGURE 6. Crateromorpha (Neopsacas)) krinovi discoli ssp. nov. USNM 1096678. A, side view. Scale 15 mm. B, hypodermal hexactin.
FIGURE 5 in Revision of the subgenus Neopsacas (Hexactinellida, Rossellidae, Crateromorpha) with the description of new species and subspecies
FIGURE 5. Crateromorpha (Neopsacas)) krinovi discoli ssp. nov., holotype. A, side view. Scale 10 mm. B, choanosomal discotriactin and discohexactins. C–D, atrial diactins. Scales 10 µm.
FIGURE 4 in Revision of the subgenus Neopsacas (Hexactinellida, Rossellidae, Crateromorpha) with the description of new species and subspecies
FIGURE 4. Crateromorpha (Neopsacas) krinovi krinovi sp. nov., ssp. nov., spicules: A–B, dermal pentactins. C–D, dermal diactins. E, hypodermal pentactin. F, choanosomal stauractin. G, choanosomal diactin. H, discohexactin. I–J, discopentactins. K, discostauractin. L, discodiactin.
FIGURE 3 in Revision of the subgenus Neopsacas (Hexactinellida, Rossellidae, Crateromorpha) with the description of new species and subspecies
FIGURE 3. Crateromorpha (Neopsacas) krinovi krinovi sp. nov., ssp. nov. A, holotype, side view. Scale 20 mm. B, dermal discohexactin. C, atrial discohexactins. Scales 10 µm.
FIGURE 2 in Revision of the subgenus Neopsacas (Hexactinellida, Rossellidae, Crateromorpha) with the description of new species and subspecies
FIGURE 2. Crateromorpha (Neopsacas) variata Tabachnick, 2002, spicules: A–B, dermal pentactins. C–D, dermal diactins. E–F, atrial pentactins. G, atrial stauractin. H–J, atrial diactins. K, hypodermal pentactin. L–M, marginal hexactins. N–P, abnormal microscleres. A–K; N–P, 5/2/404. O–P, 5/2/3119.
FIGURE 1 in Revision of the subgenus Neopsacas (Hexactinellida, Rossellidae, Crateromorpha) with the description of new species and subspecies
FIGURE 1. Crateromorpha (Neopsacas) variata Tabachnick, 2002, specimen IORAS 5/2/3119.: A, view from above. B, side view. Scale 40 mm. C, dermal surface with dermal net covering the subdermal cavities. Scale 5 mm. D, oxyhexasters and oxyhemihexasters, E, irregular diactin, F, onycho-discohexaster. 10 µm.
FIGURE 2 in A review of the Hexactinellida (Porifera) of Chile, with the first record of Caulophacus Schulze, 1885 (Lyssacinosida: Rossellidae) from the Southeastern Pacific Ocean
FIGURE 2. Caulophacus chilense sp. nov. spicules. A. Three dermal pinules including two normal hexactine forms and one uncommon pentactine form (all pinules to same scale). B. Two atrial hexactine pinules. C. A choanosome diactin, whole and enlargements of the tip and center. D. Hypodermal pentactin, whole and enlarged tangential ray end. E. Two whole hypoatrial pentactins showing different lengths of proximal rays, and enlargements of the ray ends. F. Choanosomal hexactin, whole and enlargement of a ray end and the coarsely spined central area. G. Discohexactin and enlarged ray end (all whole microscleres at same scale). H. Hemidiscohexaster. I. Discohexaster A. J. Small thin-rayed discohexaster B shown from LM since this form was not encountered in SEM surveys.
FIGURE 1 in A review of the Hexactinellida (Porifera) of Chile, with the first record of Caulophacus Schulze, 1885 (Lyssacinosida: Rossellidae) from the Southeastern Pacific Ocean
FIGURE 1. Caulophacus chilense sp. nov. A. The holotype, dried. B. The upper body. C. Surface of the atrial or top surface. D. Close-up image of the irregular atrial lattice. E. Surface of the derma or lower body surface with radiating subdermal strands of diactins. F. Close-up of the more regular dermal lattice of pinular hexactins supported by a coarser lattice of hypodermal pentactins.
FIGURE 2. Doconesthes dustinchiversi n in First Lanuginellinae (Porifera, Hexactinellida, Rossellidae) from the NE Pacific and first species of Doconesthes from the Pacific Ocean
FIGURE 2. Doconesthes dustinchiversi n. sp. A. Detailed location of collection on Bowie Seamount off Haida Gwai (HG). B. Holotype, front and back of slightly flattened specimen. C. Oscular area in oblique view. D. Dermal surface with hypodermal lattice visible. E. Closer view of the dermal surface showing fine network of dermalia. F. Slide preparation of dermal surface lattice. G. Atrial surface. H. Closer view of atrial surface showing atrialia with longer ray projecting and no hint of hypoatrialia. I. Slide preparation of atrial lattice.
FIGURE 1 in First Lanuginellinae (Porifera, Hexactinellida, Rossellidae) from the NE Pacific and first species of Doconesthes from the Pacific Ocean
FIGURE 1. Distribution map of Lanuginellinae without the recently transferred genus Caulophacus. Open circles are Doconesthes sessilis Topsent; star is location of the new species, D. dustinchiversi.
FIGURE 3 in First Lanuginellinae (Porifera, Hexactinellida, Rossellidae) from the NE Pacific and first species of Doconesthes from the Pacific Ocean
FIGURE 3. Spicules of Doconesthes dustinchiversi n. sp. A. Diactine lateral prostalium with magnified shagreen surface. B. Dermalia of various forms with magnified ray tip of diactin. C. Atrialia with magnified pinular ray tip. D. Pentactine hypodermalia with very short and longer proximal ray, with magnified tangential ray tip. E. Diactine hypodermalium with magnified ray end. F. Choanosomal diactin with magnified ray tip. G. Strobiloplumicome with magnified primary ray tuft and secondary ray tips. H. Oxyhexactin. I. Oxypentactin. J. Hemioxyhexaster with magnified ray tips.
FIGURE 1 in First record of Hyalascus (Hexactinellida: Rossellidae) from the Indian Ocean, with description of a new species from a volcanic seamount in the Andaman Sea
FIGURE 1. Hyalascus andamanensis sp. nov.: (A) upper part of type specimen with osculum and (B), its' lateral view showing the basal broken part.
FIGURE 3 in First record of Hyalascus (Hexactinellida: Rossellidae) from the Indian Ocean, with description of a new species from a volcanic seamount in the Andaman Sea
FIGURE 3. Map showing the distribution of Hyalascus in the world Oceans. A, H. anisoactinus Tabachnick & Lévi, 2004; B, C, D, H. pinulohexactinus Tabachnick & Lévi, 2004; E, F, H. attenuatus Okada, 1932; G, H. sagamiensis Ijima, 1896 and H. giganteus Ijima, 1998; H, H. similis Ijima, 1904; I, H. baculifer (Schulze, 1886); J, H. stellatus (Schulze, 1886); K, H. andamanensis sp. nov.
FIGURE 2 in First record of Hyalascus (Hexactinellida: Rossellidae) from the Indian Ocean, with description of a new species from a volcanic seamount in the Andaman Sea
FIGURE 2. Hyalascus andamanensis sp. nov., spicules of the holotype. A, dermal stauractin. B, atrial hexactin. C, hypodermal pentactin. D, E, fragments of tangential rays of hypodermal pentactins. F, choanosomal diactin. G, oxyhexactin. H, oxyhemihexaster. I, oxyhexaster. J, K, microdiscohexasters.
FIGURE 2 in Two new species of Sympagella (Porifera: Hexactinellida: Rossellidae) collected from the Clarion-Clipperton Zone, East Pacific
FIGURE 2. Sympagella abysslineae sp. nov. (SMF 12104) a. Shape of the body as observed in situ (13.5 cm). b. Large smooth hexactin (300 µm). c./d. Pinular hexactin (100 µm). e. Pinular pentactin (100 µm). f. Discohexaster (30 µm). g./h. Strobiloplumicome (10 µm). i. Specimen's upper surface viewed from above (5 cm) (Photo provided by A. Glover, T. Dahlgren and H. Wiklund, Natural History Museum and Uni Research).
FIGURE 1 in Two new species of Sympagella (Porifera: Hexactinellida: Rossellidae) collected from the Clarion-Clipperton Zone, East Pacific
FIGURE 1. Map of the investigated area and the sampling stations (RV01 and EPRIB) within the UKSRL exploration contract area (UK-1) of the Clarion-Clipperton Zone, East Pacific (for further explanation, see Methods)
FIGURE 3 in Two new species of Sympagella (Porifera: Hexactinellida: Rossellidae) collected from the Clarion-Clipperton Zone, East Pacific
FIGURE 3. Sympagella clippertonae sp. nov. (SMF 12105) a. Shape of the body and stalk as observed in situ (20 cm). b. Large spiny pentactin (300 µm). c. Smaller pentactin with small spines (100 µm). d/e. Discohexaster (30 µm). f. Large spiny hexactin (center, surrounded by smaller spicules) (400 µm). g. Pinular pentactin (30 µm). h. Strobiloplumicome (10 µm).
FIGURE 5 in Integrative taxonomy justifies a new genus, Nodastrella gen. nov., for North Atlantic " Rossella " species (Porifera: Hexactinellida: Rossellidae)
FIGURE 5. Nodastrella asconemaoida sp. nov. ZMAPOR 19715, skeleton. Scanning electron micrographs. (A) Microdiscohexaster. (B) Oxyhexaster.
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International Brain Laboratory public data
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OpenNeuro
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