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13 results for “Farreidae”
FIGURE 13 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 13. Underwater photos of Aspidoscopulia sp. from underwater Magellan Mountains R.V. 'Academic Mstyslav Keldysh' voyage 9. A, B, C, large specimens. A, some lateral oscula situated at upper part of lateral branches are seen, the fusion between the ear-like processes seems to be absent, stn. 1056, 'Pisces' XI, dive 160/9, 14°12' N 156°00.2' E, 1730 m. B, the largest specimen, fusion between the ear-like processes obviously takes place in the upper parts of the sponge, stn. 1059, 'Pisces' VII, dive 135/5, 14°12.6' N 155°58.1' E, 1780 m. C, ear-like processes develop further lobar outgrowths, stn. 1037. D, possibly a juvenile specimen of Aspidoscopulia sp., formation of ridges between the neighboring lateral branches and ear-like processes is well seen, stn. 1064, 'Pisces' VII, dive 136/6, 14°09.35' N 155°59.61' E, 1600 m. E, mass accumulation of dead fragments (main stems) of medium size specimens, stn. 1045, 'Pisces' VII, dive 133/3, 12°56.4' N 156°45.3' E, 1760 m. F, a dead, broken large specimen, the remnants of lateral oscula are seen, stn. 1059, 'Pisces' VII, dive 135/5, 14°12.56' N 155°58.1' E, 1760 m. Credit of Juri Volodin.
FIGURE 11 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 11. Aspidoscopulia aff. bisymmetrica sp. n. CALSUB, 'Cyana' submersible, dive 16, off Loyalty Islands, Northern slope of Ouvea-Lifou rise, 836? m. Bilateral symmetry is seen in the lower part of the sponge, ear-like, lamella processes form somehow irregular constructions in the upper part.
FIGURE 9 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 9. Aspidoscopulia bisymmetrica sp. n. (paratypes): loose spicules (SEM images). A, onychohexaster. B, discohexaster. C, oxyhexaster. D, secondary rays of discohexaster. E, secondary rays of onychohexaster. F–J, pileate clavule. H–K, anchorate clavules (J–K, shafts with finger-like processes). L–O, aspidoscopules. L, abnormal aspidoscopule. O, aspidoscopule with processes on the shaft. P, head of pileate clavule. Q, head of aspidoscopule. A–B, D–E, P, ZPAL Pf.22/wa75; F–H, K, Q, ZPAL Pf.22/wa86; C, I–J, L, M–O, ZPAL Pf.22/wa72.
FIGURE 4 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 4. Spicules of Aspidoscopulia tetrasymmetrica sp. n. (holotype, ZINRAS 11133): A, dermal pentactin. B, atrial pentactin. C–D, pileate clavules. E–F, anchorate clavules. G, fragment of abnormal anchorate clavule. H–I, abnormal clavules. J– L, aspidoscopules. M–O, abnormal aspidoscopules. P, tooth of aspidoscopule. Q, uncinate. R, U, oxyhexasters. S, hemioxyhexaster. T, abnormal oxyoidal microsclere. V, oxystauraster.
FIGURE 3 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 3. Aspidoscopulia tetrasymmetrica sp. n. (holotype, ZINRAS 11133): dictyonal framework (A–G) and loose spicules (H–N) (SEM images). A, longitudinal section of the upper parts of the wall, atrial cavity – left side. B, D, view from the atrial surface, upper part of the sponge. C, view from the dermal surface, upper part of the sponge. D, small hexactines associated with dictyonal framework. E, longitudinal section of the wall at base of the sponge, atrial cavity – left side. F, view from the atrial surface, base of the sponge. G, view from the dermal surface, base of the sponge. H–I, oxyhexasters. J, pileate clavule. K–L, anchorate clavules. M–N, aspidoscopules. N, abnormal aspidoscopule.
FIGURE 7 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 7. The origin of equal (dichotomous) tubular branching and ear-like formation in Aspidoscopulia bisymmetrica sp. n. (developed after Reid, 1964). AI – AIII, common process of marginal growth with inward and outward flexure of segments of the growing oscula margin (AII, AIII). BIV – BV, dichotomous tubular branching. CIV – CV, formation of ear-like processes. I–IV, BA, CA, top view. BB, BV, CV, CB, side view. Lines in BA, BB, CA, CB, the courses followed by dictyonal strands. In A. bisymmetrica sp. n. all processes illustrated on this scheme take place: A, B, emission of lateral branches with lateral oscula from the main stem. A, B, lateral branch dichotomous branching into two secondary lateral branches with two secondary lateral oscula and formation of carina, A, C, lateral branch dichotomous branching into two secondary lateral oscula and formation of ear-like processes by side-by-side wall fusion. aa, atrial axis. ca, carina – line of wall joint fusion. fw, side-by-side wall fusion (ear-like processes formation). po, primary osculum. lo, (primary) lateral osculum. slo, secondary lateral osculum. I–IV, in A– V and B–V, positions of oscula margins of previous stages.
FIGURE 10 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 10. Spicules of Aspidoscopulia bisymmetrica sp. n.: A, B, dermal pentactines. C–E, pileate clavules. F, G, anchorate clavules. H, I, abnormal anchorate clavules. J, K, aspidoscopules. L, M, abnormal aspidoscopules. N, O, teeth of aspidoscopules. P, Q, uncinates. R–W, oxyhexasters. X, oxydiaster. Y, discohexaster. Z, hemidiscohexaster. AB, discohexactin. AC, abnormal oxyhexasters. AD, AE, abnormal discoidal spicules. I, X, MNHN p5019. U, ZPAL Pf.22/wa71. E, H, L, M, AD, AE, ZPAL PF.22/wa72; W, ZPAL Pf.22/wa86; Y, ZPAL Pf.22/wa75. The others, holotype MNHN fr546.
FIGURE 12 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 12. Specimens of Aspidoscopulia sp. from underwater Magellan Mountains R.V. 'Academic Mstyslav Keldysh' voyage 9. A, B, IORAS 5/2/186 (attached are hexactinellids Lophocalyx moscalevia Tabachnick, 1988 and Eurete lamellina Tabachnick, 1988). C–H, IORAS 5/2/194. I–M, IORAS 5/2/192. A, D, C, upper part of the body, side view (scale 5 cm). B, view from the lower, broken side, primary branching of atrial central cavity is seen (scale 10 cm). E, lateral oscula situated at sides of ear-like processes are seen (scale 1 cm). F, view from the broken side of the ear-like processes, primary framework is inside, secondary framework outside the primary one (scale 1 cm). G, H, surface texture of ear-like processes, primary framework is seen under the damaged surface of H (scale 1 cm). I, J, K, lower part of the body with the basidictyonal plate from different sides (scale 5 cm). L, an ear like processes in the lower part of the body (scale 1 cm). M, the upper view of the lower part of the body, an overgrown by secondary framework atrial cavity is seen (scale 10 cm).
FIGURE 2 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 2. Aspidoscopulia tetrasymmetrica sp. n. (holotype, ZINRAS 11133): A, side view. B, view from above. C, view of the lower part (four-rayed symmetry is well visible). A–C, scale 5 cm. D, an overgrown lateral osculum (scale 1 cm). E, primary framework (of farreoid type). F, secondary (hypersilicified) framework. E, F, scale 1 mm.
FIGURE 8 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 8. Aspidoscopulia bisymmetrica sp. n. (paratypes): frameworks (SEM images). A, longitudinal section of the upper parts of the wall, atrial cavity – left side. B, view from the atrial surface, upper part of the sponge. C, view from the dermal surface, upper part of the sponge. D, small hexactines associated with framework. A, ZPAL Pf.22/wa75; B–D, ZPAL Pf.22/wa86.
FIGURE 6 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 6. Scheme of the construction of the lower part of the body of Aspidoscopulia bisymmetrica sp. n. (reconstruction based on study of numerous fragments), side view. a, aperture. as, atrial surface. dblp, dichotomously branching lateral branch. ds, dermal surface. e-lp, ear-like processes. lb, lateral branch. lo, lateral osculum. ms, main stem. po, primary osculum. r, ridge. slo, secondary lateral osculum.
FIGURE 5 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 5. Aspidoscopulia bisymmetrica sp. n. Morphology of collected specimens (scale bars 1 cm). A, MNHN p3732. B, MNHN p5019 with well developed ridges between the lateral branches. C, holotype, MNHN fr546. D, MNHN p3634, strongly damaged specimen,. E, MNHN p3701 with abnormally developed ear-like processes. F, MNHN fr534 with an ear-like process. G, MNHN p5020. H, ZPAL Pf.22/wa66, the largest paratype covered with Hydrozoa. I, ZPAL Pf.22/wa70.
FIGURE 1 in Revision of Aspidoscopulia Reiswig, 2002 (Porifera: Hexactinellida: Farreidae) with description of two new species
FIGURE 1. Sector of the West Pacific, showing the distribution of Aspidoscopulia: rhomb – A. furcillata (Levi); circles – A. bisymmetrica sp. n.; square - A. tetrasymmetrica sp. n.; triangles – Aspidoscopulia sp., cross – fossil Aspidoscopulia sp.
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