Gibbula tryoni Pilsbry 1890

Description: English: Gibbula tryoni Pilsbry, 1889; family Trochidae. Date: 1889. Source: Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia; pl. 52 #20-21. Author: G.W. Tryon.

Description: English: Gibbula tryoni Pilsbry, 1890 (synonym: Gibbula medusa Bartsch, 1915); family Trochidae. Date: 28 January 2014, 17:04:01. Source: P. Bartsch (1915), Report on the Turton collection of South African marine mollusks, with additional notes on other South African shells contained in the United States National Museum; Bulletin of the United States National Museum v. 91 (1915); pl. 29 #7, 8, 9. Author: P. Bartsch.

Description: English: Gibbula tryoni Pilsbry, 1890 (synonym: Gibbula medusa Bartsch, 1915); family Trochidae. Date: 1915. Source: P. Bartsch (1915), Report on the Turton collection of South African marine mollusks, with additional notes on other South African shells contained in the United States National Museum; Bulletin of the United States National Museum v. 91 (1915); pl. 29 #7, 8, 9. Author: P. Bartsch.

Description: English: Gibbula tryoni Pilsbry, 1890 (synonym: Gibbula medusa Bartsch, 1915); family Trochidae. Date: 28 January 2014, 17:04:02. Source: P. Bartsch (1915), Report on the Turton collection of South African marine mollusks, with additional notes on other South African shells contained in the United States National Museum; Bulletin of the United States National Museum v. 91 (1915); pl. 29 #7, 8, 9. Author: P. Bartsch.