Guildfordia Explained

Guildfordia is a genus of sea snails, marine gastropod mollusks in the family Turbinidae, the turban snails.

Description

The imperforate shell is wheel-shaped. It is low-conic and granulose above, convex below. The periphery is armed with long slender radiating spines, which are concealed at the sutures. The operculum is flat, with a subobsolete arcuate rib outside. The central tooth of the radula has no cusps.^[1]

Distribution

This marine genus occurs off the Philippines, Indo-China, Indo-Malaysia, Papua New Guinea, Eastern Indian Ocean, Oceania, and off Australia (Northern Territory, Queensland, Western Australia).

Species

Species within the genus Guildfordia include:

• Guildfordia aculeata Kosuge, 1979 - Aculeate Star Turban
• † Guildfordia hendersoni (Marwick, 1934)
• † Guildfordia megapex (Beu, 1970)
• † Guildfordia ostarrichi Pacaud, 2017
• Guildfordia radians Dekker, 2008
• † Guildfordia subfimbriata (Suter, 1917)
• Guildfordia superba Poppe, Tagaro & Dekker, 2005 - Superb Star Turban
• Guildfordia triumphans (Philippi, 1841) - Triumphant Star Turban
• Guildfordia yoka Jousseaume, 1888 - Yoka Star Turban

Species brought into synonymy:

• Guildfordia delicata Habe & Okutani, 1983: synonym of Guildfordia yoka Jousseaume, 1888
• Guildfordia gloriosa Kuroda & Habe in Kira, 1961: synonym of Bolma henica (Watson, 1885)
• Guildfordia heliophorus Gray: synonym of Astraea heliotropium (Martyn, 1784)
• Guildfordia kurzi Petuch, 1980 - Kurz's Star Turban: synonym of Guildfordia aculeata Kosuge, 1979
• Guildfordia tagaroae Alf & Kreipl, 2006: synonym of Guildfordia aculeata Kosuge, 1979

Taxon inquirendum:

• Guildfordia monilifera (Hedley & Willey, 1896) (possibly a synonym of Guildfordia aculeata)

References

• Marwick, J. (1934) Some New Zealand Tertiary Mollusca. Proceedings of the Malacological Society of London, 21, 10–21, 2 pls.
• Beu, A. G. (1970). Descriptions of new species and notes on taxonomy of New Zealand Mollusca. Transactions of the Royal Society of New Zealand, Earth Science. 7: 113-136
• Alf A. & Kreipl K. (2011) The family Turbinidae. Subfamilies Turbininae Rafinesque, 1815 and Prisogasterinae Hickman & McLean, 1990. In: G.T. Poppe & K. Groh (eds), A Conchological Iconography. Hackenheim: Conchbooks. pp. 1–82, pls 104-245

External links

• Gray J.E. (1850). [text]. In: Gray, M. E., Figures of molluscous animals, selected from various authors. Longman, Brown, Green and Longmans, London. Vol. 4, iv + 219 pp. (August) [Frontispiece (portrait of Mrs. Gray); pp. ii–iv (preface); 1–62 (explanation of plates 1–312 in Volumes 1–3); pp. 63–124 (systematic arrangement of figures); 127–219 (reprint of Gray 1847)]
• Fischer P. (1873-1879). [continuation of Kiener] Spécies général et iconographie des coquilles vivantes. Volume 10, Famille des Turbinacées. Genre Turbo (Turbo), pp. i-iv + 1-128 (1873), pls 1, 28, 44-49, 53-54, 57-120. Volume 11, Genres Troque (Trochus, including Calcar), pp. 1–96, pls 37-86 (1875); 97-144 (1876); 145-240 (1877); 241-336 (1878); 337-423, Xenophora pp. 424–450, Tectarius pp. 451–459, Risella pp. 460–463, Index 464-480 (1879).
• Finlay H.J. (1926). A further commentary on New Zealand molluscan systematics. Transactions of the New Zealand Institute. 57: 320-485, pls 18-23
• Williams, S.T. (2007). Origins and diversification of Indo-West Pacific marine fauna: evolutionary history and biogeography of turban shells (Gastropoda, Turbinidae). Biological Journal of the Linnean Society, 2007, 92, 573–592

Notes and References

1. https://www.biodiversitylibrary.org/item/77914 G.W. Tryon (1888), Manual of Conchology X; Academy of Natural Sciences, Philadelphia