Amygdalum (Modiolula) Sacco 1808 (mussel)
Bivalvia - Mytilida - Mytilidae
Alternative spelling: Modiolula
Parent taxon: Amygdalum according to Nordsieck 1972
See also Sepkoski 2002 and Wienrich 1999
Sister taxa: Amygdalum barbatiaeformis, Amygdalum progoensis, Amygdalum simplex
Subtaxa: Modiolula phaseolina Modiolula pygmaea
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Quaternary of Belgium (1 collection), Italy (1), the Netherlands (1)
• Pliocene of Belgium (4), the United Kingdom (3)
• Miocene of Belgium (8), Germany (8), the Netherlands (2), Poland (4)
• Oligocene of Belgium (3), Denmark (2)
Total: 37 collections each including a single occurrence