Trochus jucundusGould, 1849, p. 91, [Gould 1860, pl. 12, fig. 209-209b] [Basis of the current name] Type Locality: New Zealand [in error, Rio de Janeiro, fide Johnson 1964] Range: 20°S to 41.28°S; 63.73°W to 40°W Depth: 10 to 108 m Maximum Reported Size: 23 mm Distribution: Brazil: Espirito Santo, Rio de Janeiro, Parana, Santa Catarina, Rio Grande do Sul; Uruguay, Argentina: Buenos Aires, Rio Negro References: Clench & Aguayo (1938) S; Castellanos (1970a) W
Calliostoma (rioënse, var.?) hermosanumDall, 1927a, p. 6 [Synonym] Type Locality: Near Monte Hermosa, Argentina Range: 39°S to 39°S Maximum Reported Size: 20 mm Distribution: Argentina: Buenos Aires References: Dall (1927a) NSM; Clench & Turner (1960) s
Calliostoma lahilleiIhering, 1907, p. 440-441, pl. 17, fig. 118 [Synonym] Type Locality: Punta Villarino, au Nord de la Patagonie Maximum Reported Size: 13 mm Distribution: Argentina References: Clench & Turner (1960) s
Calliostoma riöensisDall, 1890a, p. 345, pl. 12, fig. 5 [Synonym] Type Locality: USFC sta. 2762, 2764, or 2765 Range: 23°S to 35°S; 43°W to 55°W Depth: 18 to 108 m Maximum Reported Size: 15 mm References: Clench & Aguayo (1938) s; Clench & Turner (1960) s
Partial List of References
Dall, W. H. 1890. Scientific results of explorations by the U. S. Fish Commission Steamer Albatross. No. VII.--Preliminary report on the collection of Mollusca and Brachiopoda obtained in 1887-'88 Proceedings of the United States National Museum 12(773) 219-362, pls. 5-14. [Stated date: -- --- 1889; true date: -- --- 1890.] Dall, W. H. 1927. Diagnoses of undescribed new species of mollusks in the collection of the United States National Museum Proceedings of the United States National Museum 70(2668) 1-11. Gould, A. A. 1849. [Descriptions of new species of shells, brought home by the U. S. Exploring Expedition] Proceedings of the Boston Society of Natural History 3 83-85, 89-92, 106-108, 118-121.. Ihering, H. von. 1907. Les Mollusques fossiles du Tertiare et du Crétacé Supérieur de l'Argentine Anales del Museo Nacional de Buenos Aires (3)7 xiii + 611 pp., 18 pls.
