Stromboidea

• Aporrhaidae
  • Dicroloma
    • Dicroloma armata (Morris & Lycett, 1851)

Original Description of Alaria armata by Morris & Lycett, 1851:

• "Testa turrita, anfractibus carinatis, et angulato-nodosis, nodis prominentibus 6 in ambitu. Anfractu ultimo gibbo, bicarinato; carina superiori prominentiori spinis acutis; in aetate juniori digitis tribus parvis; in aetate adulta digitis superioribus duobus longissimus. Cauda longa curvata. Striis tenuissimis confertis transversis, plerumque obsoletis."

Locus typicus: Minchinhampton, Gloucestershire County, South West Region, England

Alaria armata in Morris & Lycett, 1851, pl. 3, fig. 1

Dicroloma armata (Morris & Lycett, 1851); Great Oolite, Bathonian, middle Jurassic; Minchinhampton, Gloucestershire County, South West Region, England; Syntypes no. GSM8259 and GSM8260; Copyright British Geological Survey

References:

• Cox & Arkell, 1950
• Fischer, 1997
• Morris & Lycett, 1851