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Fibulariidae (periproctal plates)
Description Periproctal plates of fibulariids: a. Echinocyamus pusillus. b. Echinocyamus elongatus: The periproct is covered by several radiating, naked plates. c. Fibularia ovulum: The periproct is covered by five valve-like plates. d. Mortonia australis: The periproct is covered by numerous, small, irregular plates set with miliary spines.Scales: a. 1 mm; b. 0,5 mm; c. 1 mm; d. 1 mm JPG file - 75.71 kB - 1 577 x 397 pixels added on 2009-02-231 574 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Schultz, Heinke Click here to return to the thumbnails overview |
