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Figg 1-7. Callistochiton (Allerychiton) pachylasmae. 1-3 Holotype, Strait of Messina (Monterosato’ s
collection, ZMR). 4-7 Intermediate valve, Ormos Panagias, -35/40 m Sithonia Is., Greece (Dell’Angelo
coll. No P185/1). Scale bars: mm (1-3), 500 mm (4), 200 mm (5-7).
1
- 149- Bollettino Malacologico 32