Descriptions of Gasteropoda, chiefly in Mrs. Robert Gray's collection, from the Ordovician and Lower Silurian of Girvan

J. D. Longstaff

1924

Article

Quarterly Journal of the Geological Society of London 80(4):408-446

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Taxa discussed in this work:

• Arjamannia pteronoides
• Arjamannia thraivensis
• Arjamannia woodlandi
• Boucotspira ordovicus
• Cataschisma convexa
• Clathrospira trochiformis
• Clisospira reticulata
• Eccyliomphalus balclatchiensis
• Eccyliomphalus macromphalus
• Eotomaria subplana
• Girvania
• Hormotoma nigra
• Hormotoma striatula
• Katospira
• Liospira aequalis
• Liospira equilis
• Liospira striatula
• Lophospira convexa
• Lophospira obliquestriata
• Lophospira shallockensis
• Loxonema nitida
• Maclurina sedgwicki
• Mestoronema scotica
• Pachystrophia balclatchiensis
• Pachystrophia mullockensis
• Palaeoschisma globosa
• Palaeoschisma thraivensis
• Pararaphistoma disciformis
• Paupospira perneri
• Phanerotrema mcoyi
• Phanerotrema rugosa
• Plethospira caledoniensis
• Promourlonia
• Promourlonia ambiqua
• Promourlonia furcata
• Rhabdostropha latisinuata
• Rhabdostropha primitiva
• Scalites depressa
• Spiroecus
• Spiroecus excavata
• Spiroecus girvanensis

Taxonomy:

• Eccyliomphalus balclatchiensis belongs to Ecculiomphalus - Longstaff (1924)
• Eotomaria subplana belongs to Eotomaria - Longstaff (1924)
• Liospira equilis belongs to Liospira - Longstaff (1924)
• Liospira striatula belongs to Liospira - Longstaff (1924)
• Phanerotrema rugosa belongs to Phanerotrema - Longstaff (1924)
• Plethospira caledoniensis belongs to Plethospira - Longstaff (1924)
• Promourlonia ambiqua belongs to Promourlonia - Longstaff (1924)
• Eccyliomphalus scotica belongs to Ecculiomphalus - Longstaff (1924)
• Eccyliomphalus macromphalus belongs to Ecculiomphalus - Longstaff (1924)
• Liospira aequalis belongs to Liospira - Longstaff (1924)