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5 results for “Megapogon”
FIGURE 16A–H. Megapogon pollicaris. A in Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)
FIGURE 16A–H. Megapogon pollicaris. A: preserved holotype BMNH-1907.8.6.135. B: histological section including cortical layer, choanosome and atrial cavity. C: LM image of cortical layer. D–F: SEM images of the choanosome including cortical layer, choanosome and atrial cavity. G–H: SEM images of spicules: diactines, triactines and chiactines (G), microdiactines and triactine (H). Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; Mic = microdiactines; Inc = inhalant cavity; Tri = triactines.
FIGURE 17A–H. Megapogon crispatus. A in Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)
FIGURE 17A–H. Megapogon crispatus. A: preserved holotype BMNH-1907.8.6.131. B: histological section including the oscular region. C: histological section including cortical layer, choanosome and atrial cavity. D: histological section including cortical layer and oscular region. E: SEM image of cortical layer. F: histological section of a choanosome chamber. G–H: LM and SEM images of diactines, showing details of the distal ends. Abbreviations: Apa = apical actines of tetractines; At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Di = diactines; MicI = microdiactines I; MicII = microdiactines II; Inc = inhalant cavity; Tet = tetractines.
FIGURE 14A–F. Megapogon villosus. A in Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)
FIGURE 14A–F. Megapogon villosus. A: preserved cotype BMNH-1907.8.6.151. B–C: histological section including cortical layer, choanosome and atrial cavity. D–E: SEM images of cortical layer. F: SEM image of choanosome section, including cortical layer, choanosome and atrial cavity. Abbreviations: At = atrial cavity; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Di = diactines; Mic = microdiactines; Os = osculum.
FIGURE 10A–H. Megapogon raripilus. A in Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)
FIGURE 10A–H. Megapogon raripilus. A: preserved lectotype BMNH-1907.8.6.139. B: preserved of additional material BMNH-1907.8.6.140. C: histological section including cortical layer, choanosome and atrial cavity. D: SEM image of cortical layer. E-F: histological sections including cortical layer, choanosome and atrial cavity. Abbreviations: At = atrial cavity; Atr = atrial triactines; Bun = bundles of trichoxeas; Di = diactines; Chc = choanocyte chambers; Chi = chiactines; Cor = cortical layer/cortex; Ctr = cortical triactines; Exc = exhalant cavity; Inc = inhalant cavity; Os = osculum; Tric = trichoxeas.
FIGURE 9A–B. Megapogon crucifer. A–B in Description of new chiactine-bearing sponges provides insights into the higher classification of Calcaronea (Porifera: Calcarea)
FIGURE 9A–B. Megapogon crucifer. A–B: sections of the holotype BMNH-1884.4.22.46a. Abbreviations: Di = diactines; Mic = microdiactines.
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