Ryall Horro – AbeBooks

A new species of the genus Bela Leach in Gray, 1847, from West Africa, is described and figured, and compared with the most similar one, Bela nuperrima (Tiberi, 1855). New taxon: Bela schoenherri n. sp. 8 pp., 3 plates, 4.

Anacithara (Conoidea, Turridae): a new genus to West Africa. In 8vo, offp., pp. 10 with 3 pls. (2 in color). Offprint from Gloria Maris, 49(1).

Horro J., Ryall P. & Rolan E.,

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Bela schoenherri (Gastropoda: Mangeliidae), a New Species from West Africa. In 4to, offp., pp. 8 with 3 color pls. Offprint from Conchylia 49(1-2)

Horro J., Ryall P. & Rol n E.,

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Two new species of Crassispira (Gastropoda, Conoidea) from West Africa with a taxonomic note on Crassispira tripter von Maltzan, 1883. In 8vo, offp., pp. 9 with 31 color figs. Offprint from Iberus, 27(1)

Ryall P., Horro J. & Rolán E.,

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Notes on West African Perrona (Clavatulidae) with the description of a new species. In 8vo, offp., pp. 12 with 41 fig. in color. Offprint from Iberus, 26(1).

Rolan E., Ryall P. & Horro J.,

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A revision of the genus Genota H and A Adams, 1853 (Gastropoda: Conoidea: Borsonidae) from West Africa. In 8vo, offp., pp. 17 with 5 figs. (4 in color). Offprint from Iberus. 31(2)

Ryall P., Horro J. & Rolan E.,

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Two new species of the genera Crassispira and Agladrillia from Angola

Bela schoenherri (Gastropoda: Mangeliidae), a New Species from West Africa

Anacithara (Conoidea, Turridae): a new genus to West Africa. In 8vo, offp., pp. 10 with 3 pls. (2 in color). Offprint from Gloria Maris, 49(1).

Bela schoenherri (Gastropoda: Mangeliidae), a New Species from West Africa. In 4to, offp., pp. 8 with 3 color pls. Offprint from Conchylia 49(1-2)

Two new species of Crassispira (Gastropoda, Conoidea) from West Africa with a taxonomic note on Crassispira tripter von Maltzan, 1883. In 8vo, offp., pp. 9 with 31 color figs. Offprint from Iberus, 27(1)

Notes on West African Perrona (Clavatulidae) with the description of a new species. In 8vo, offp., pp. 12 with 41 fig. in color. Offprint from Iberus, 26(1).

A revision of the genus Genota H and A Adams, 1853 (Gastropoda: Conoidea: Borsonidae) from West Africa. In 8vo, offp., pp. 17 with 5 figs. (4 in color). Offprint from Iberus. 31(2)