. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. Fig. 43 - Spicules of Petrosia seychellensis Dendy. Scale: 100 urn. Petrosia nigricans Lindgren (Fig. 44) Petrosia nigricans Lindgren, 1897: 480 Occurrence: North Kenya Banks (02°42'S - 40°39'E), depth 70 m, dredge, 17 January 1973. The spicules are oxeas measuring 55-280 x |im, points slightly mucronate. Their characteristic shape is as figured by Thiele (1903, PI. XXVIII, Fig. 3) for his Petrosia cancellata, regarded as a synonym of P. Fig. 44 - Spicules of Petrosia nigricans Lindg
. Annali del Museo civico di storia naturale Giacomo Doria. Natural history. Fig. 43 - Spicules of Petrosia seychellensis Dendy. Scale: 100 urn. Petrosia nigricans Lindgren (Fig. 44) Petrosia nigricans Lindgren, 1897: 480 Occurrence: North Kenya Banks (02°42'S - 40°39'E), depth 70 m, dredge, 17 January 1973. The spicules are oxeas measuring 55-280 x |im, points slightly mucronate. Their characteristic shape is as figured by Thiele (1903, PI. XXVIII, Fig. 3) for his Petrosia cancellata, regarded as a synonym of P. Fig. 44 - Spicules of Petrosia nigricans Lindgreen. Scale: 50 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Museo civico di storia naturale Giacomo Doria (Genoa, Italy). Genova : Stab. tipo-litografico P. Pellas Fu L.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky
