Trochus noduliferus Lamarck 1822 media

Trochus noduliferus 001
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Description: English: Trochus noduliferus Lamarck, 1822; family Trochidae. Date: 17 June 2014, 15:44:14. Source: H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia; pl. 3 # 18. Author: H. Pilsbry.
Trochus noduliferus 002
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Wikimedia Commons
Description: English: Trochus noduliferus Lamarck, 1822; family Trochidae. Date: 1889. Source: H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia; pl. 3 # 19. Author: H. Pilsbry.