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77 results for “Astrophorida”
FIGURE 2 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 2. Spicules of Characella pachastrelloides (Carter, 1876). A. Oxea I [ZMBN 80248]. mxI: microxea I; B. Oxea II [ZMBN 80248]; C. Microxea I [ZMBN 80248]; D. Dichotriaene [ZMBN 25629]; E. microxeas II [ZMBN 80248]; F. Amphiaster [ZMBN 80248]; G. Amphiaster [ZMBN 85225]; H. Amphiaster [ZMBN 25629]. Characella tripodaria (Schmidt, 1868) [MNHN-DT 756, holotype]. I. Whole specimen; J. Amphiasters. Notice the additional actines on the central shaft for the smaller one. Notice the underdeveloped actines and the disappearance of the central shaft on the largest one.
FIGURE 10 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 10. Comparaison of the morphology of large calthrops. All pictures were taken at the same scale: 1 mm. A. Pachastrella monilifera Schmidt, 1868 [MNHN DT-756, holotype]; B. Pachastrella nodulosa sp. nov. [ZMBN 85242, holotype]; C. Pachastrella ovisternata von Lendenfeld, 1894 [MNHN DCL-4065], arrow points at a dichotriaene; D. Pachastrella abyssi Schmidt, 1870 [MZS P0195, holotype].
FIGURE 20 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 20. Geographical distribution of Thenea levis von Lendenfeld, 1907. Localities from Steenstrup and Tendal (1982) and those from this study.
FIGURE 24. Thenea valdiviae von Lendenfeld, 1907. A in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 24. Thenea valdiviae von Lendenfeld, 1907. A. Whole specimen from Barents Sea, top view. Note the sieve on the oscule [ZMBN 85233]. Scale: 2 cm; B. Whole specimen, side view showing the poral area, also with sieve [ZMBN 85233]; C. Whole specimen from Freisfjorden (Møre), top view. Note the sieve on the oscule. Scale: 1 cm [ZMBN 85256]; D. Top surface of a young specimen covered with buds. p: pores. os: oscule. [ZMBN 85257]; E. Thick section showing the skeletal organization. Scale: 1 mm [ZMBN 85233].
FIGURE 21 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 21. Thenea muricata (Bowerbank, 1858) [ZMBN 85231]. A. Whole specimen, upper view showing oscule. Scale: 1 cm; B. Whole specimen, side view showing the pore area. Same scale as A; C. Thick section of ectosome and choanosome. Scale: 2 mm; D. Close-up of thick section showing dichotriaene, anatriaenes and a protriaene placed under the ectosome. Scale: 200 µm; E. Dichotriaenes. Notice the flexous rhabdome. Scale: 200 µm; F. Anatriaenes, large and small size. Scale: 200 µm.
FIGURE 23. Thenea schmidti Sollas, 1886 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 23. Thenea schmidti Sollas, 1886 [ZMAPOR 18036]. A. Whole specimen, upper view showing oscule. Scale: 1 cm; B. Whole specimen, side view showing the pore area. Scale: 1 cm; C. Thick section of ectosome and choanosome. Scale: 2 mm; D. Close-up of thick section showing the abundance of large plesiasters. Scale: 200 µm.
FIGURE 12 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 12. Spicules of Poecillastra compressa (Bowerbank, 1866) [ZMBN 77932]. A. Oxea I; B; Style. Mx: microxea; C. Short-shafted triaene; D. Microxea and detail; E. Plesiasters (with spirasters, for the lower one); F. Spiraster (upper one) to metaster (lower one).
FIGURE 7. Pachastrella monilifera Schmidt, 1868 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 7. Pachastrella monilifera Schmidt, 1868 [MNHN DT-410, holotype]. A. Whole specimen. Scale: 3 cm; B. Thick section showing the thin cortex and choanosome. Scale: 1 mm; Pachastrella ovisternata von Lendenfeld, 1907 [MNHN DCL- 4065]; C. Specimen. Scale: 3 cm; D. Thick section showing the thin cortex and choanosome. Scale: 1 mm; Pachastrella abyssi Schmidt, 1870 [MZS P0195, holotype]; E. Whole specimen (dry). Scale: 4 cm; F. Thick section showing the thin cortex and choanosome. Scale: 1 mm.
FIGURE 6 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 6. Geographical distribution of Pachastrella abyssi Schmidt, 1870, Pachastrella chuni Lendenfeld, 1907, Pachastrella monilifera Schmidt, 1868, and Pachastrella nodulosa sp. nov. in the Atlantic Ocean.
FIGURE 19. Thenea levis von Lendenfeld, 1907 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 19. Thenea levis von Lendenfeld, 1907 [ZMBN 85230]. A. Whole specimen. Scale: 2 cm; B. Detail showing the cribriporal pores, with a thick overhang. Scale: 4 mm; C. Thick section of sieved pores. Scale: 2 mm; D. Thick section showing skeletal organization of ectosome. Scale: 1 mm; E. Anatriaene. Scale: 100 µm; F. Protriaene. Scale: 500 µm.
FIGURE 17. Thenea abyssorum Koltun, 1964 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 17. Thenea abyssorum Koltun, 1964 [ZMBN 85228]. A. Whole specimen. Scale: 1 cm; B. Thick section showing the skeletal organization. p: pores. os: oscule. rt: root. Scale: 5 mm; C. Thick section showing dichotriaenes supporting the ectosome. Scale: 500 µm; D. Dichotriaene. Scale: 100 µm; E. Anatriaene I. Scale: 200 µm; F. Anatriaene II, with a closedumbrella shape. Scale: 100 µm.
FIGURE 9 in A review of Norwegian streptaster-bearing Astrophorida (Porifera: Demospongiae: Tetractinellida), new records and a new species
FIGURE 9. Spicules of Pachastrella abyssi Schmidt, 1870 [MZS P0195, holotype]. A. Large and small calthrops; B. Microxea. mstr: microstrongyles; C. Microstyle and microstrongyles; D. Amphiaster; E. Amphiaster; F. Sanidaster-like amphiaster; G. Microstrongyles; H. Microstrongyles, amphiasters and a microrhabdose streptaster; I. Detail of a microrhabdose streptaster.
FIGURE 8 in A review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), with descriptions of new species from New Zealand waters
FIGURE 8. Global distribution of Stryphnus, Ancorina, Ecionemia and Stellettinopsis species. Inset = distribution around New Zealand.
FIGURE 1 in A review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), with descriptions of new species from New Zealand waters
FIGURE 1. New Zealand species of Ancorina and Ecionemia: A. Ancorina diplococcus (Dendy, 1924), NIWA 62048, ex situ, scale = 1 cm; B. Ancorina stalagmoides Dendy, 1924, NIWA 49896, ex situ, scale = 5 cm; C. Ancorina bellae sp. nov., holotype NIWA 62005, in situ, scale = 5 cm; D. Ancorina globosa sp. nov., paratype NIWA 62464, preserved, scale = 4 cm; E. Ecionemia alata (Dendy, 1924), NIWA 62217, loaf form, in situ, scale = 10 cm; F. Ecionemia alata (Dendy, 1924), meandering cup form, Spirits Bay, in situ, 80 m, scale = 40 cm; G. Ecionemia novaezealandiae (Dendy, 1924), NIWA 44221, pumpkinshaped form, preserved, scale = 5 cm; H. Ecionemia novaezealandiae (Dendy, 1924), NIWA 62156, tuberose form, ex situ, scale = 5 cm.
FIGURE 5 in A review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), with descriptions of new species from New Zealand waters
FIGURE 5. Megascleres and microscleres of New Zealand species of Ecionemia: Ecionemia alata, NIWA 52981: A. plagiotriaene, scale = 500 µm; B–C. anatriaenes, scale = 100 µm; D. chiaster with recurved spines, scale = 5 µm; E. acanthomicrorhabd, scale = 5 µm. Ecionemia novaezealandiae, NIWA 62156: F. plagiotriaene, scale = 500 µm; G. anatriaene, scale = 100 µm; H. promesotriaene, scale = 100 µm; I. chiaster with recurved spines, scale = 5 µm; J. spherochiaster, scale = 5 µm; K. acanthomicrorhabd, scale = 5 µm.
FIGURE 3 in A review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), with descriptions of new species from New Zealand waters
FIGURE 3. Generalised skeletal architecture for species of Ancorina, Stryphnus, Ecionemia and Stellettinopsis (not to scale). Illustration of Ancorina from histological section of A. diplococcus (Dendy, 1924), illustration of Stryphnus from histological section of S. poculum sp. nov., illustration of Ecionemia from histological section of E. alata (Dendy, 1924), and illustration of Stellettinopsis from image of histological sections of S. megastylifera in Cárdenas et al. (2009: Fig. 5E, F).
FIGURE 7 in A review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), with descriptions of new species from New Zealand waters
FIGURE 7. Megascleres and microscleres of New Zealand species of Stryphnus: Stryphnus novaezealandiae sp. nov., NIWA 52581: A. oxea, scale = 500 µm; B–C. plagiotriaenes, scale = 200 µm; D. oxyaster, scale = 10 µm; E. sanidaster, scale = 5 µm. Stryphnus spelunca sp. nov., NIWA 52582: F. oxea, scale = 500 µm; G. plagiotriaene, scale = 200 µm; H. oxyaster, scale = 10 µm; I. amphisanidaster, scale = 5 µm; J–K. sanidasters, scale = 5 µm. Stryphnus ariena sp. nov., NIWA 62049: L. oxea, scale = 500 µm; M. plagiotriaene, scale = 200 µm; N. oxyaster, scale = 10 µm; O. amphisanidaster, scale = 5 µm; P. sanidaster, scale = 5 µm.
FIGURE 4 in A review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), with descriptions of new species from New Zealand waters
FIGURE 4. Megascleres and microscleres of New Zealand species of Ancorina: Ancorina diplococcus, NIWA 62048: A. dichotriaene, scale = 500 µm; B. oxyaster I, scale = 10 µm; C. dumbbell-shaped sanidasterhabds, scale = 5 µm. Ancorina stalagmoides, NIWA 49896: D. protriaene, scale = 500 µm; E. prodichotriaene, scale = 500 µm; F. oxyaster I, scale = 10 µm; G. oxyaster II, scale = 5 µm; H. dumbbell-shaped sanidasterhabds, scale = 5 µm. Ancorina bellae sp. nov., NIWA 62005: I. prodichotriaene, scale = 500 µm; J. anatriaene, scale = 200 µm; K. oxyaster I, scale = 20 µm; L. oxyaster II, scale = 10 µm; M. cruciform sanidasterhabds, scale = 5 µm. Ancorina globosa sp. nov., NIWA 76782: N. dichotriaene, scale = 500 µm; O. oxyaster I, scale = 20 µm; P. spheraster-shaped oxyaster II, scale = 4 µm; Q. dumbbell-shaped sanidasterhabds, scale = 6 µm.
FIGURE 6 in A review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), with descriptions of new species from New Zealand waters
FIGURE 6. Megascleres and microscleres of New Zealand species of Stryphnus: Stryphnus poculum sp. nov., NIWA 62046: A. oxea, scale = 500 µm; B. dichotriaene, scale = 200 µm; C. oxyaster, scale = 10 µm; D. amphisanidaster, scale = 5 µm. Stryphnus levis sp. nov., NIWA 62045: E. oxea, scale = 500 µm; F. dichotriaene, scale = 200 µm; G. oxyaster, scale = 10 µm; H. amphisanidaster, scale = 5 µm. Stryphnus atypicus sp. nov., NIWA 44225: I. oxea, scale = 500 µm; J. dichotriaene, scale = 200 µm; K. anatriaene, scale = 50 µm; L. protriaene, scale = 50 µm; M. oxyaster, scale = 10 µm; N–O. amphisanidasters, scale = 5 µm; P. sanidaster, scale = 5 µm.
FIGURE 2 in A review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), with descriptions of new species from New Zealand waters
FIGURE 2. New species of Stryphnus from New Zealand: A. Stryphnus poculum sp. nov., holotype NIWA 62046, ex situ, scale = 5 cm; B. Stryphnus levis sp. nov., holotype NIWA 54501, preserved, scale = 5 cm; C. Stryphnus atypicus sp. nov., holotype NIWA 44225, preserved, scale = 5 cm; D. Stryphnus novaezealandiae sp. nov., paratype NIWA 52583, ex situ, scale = 5 cm; E. Stryphnus spelunca sp. nov., holotype NIWA 52582, in situ, scale = 5 cm; F. Stryphnus ariena sp. nov., paratype NIWA 62049, ex situ, scale = 5 cm..
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