<BGSOUND SRC="midi1.mid">
Miocene Gastropods
...Calvert formation: Maryland
Turritella plebia
5 cm
Nassarius peralta
1.5 cm
Polynices duplicatum
3 cm
Bulliopsis marylandica
2.5 cm
Terebra simplex
3 cm
Busycoptypus rugosum
5 cm
Luminatia (Lunatia) heros
5 cm
Busycon fusiforme
6 cm
Ecphora quadracostata
4 cm
Ecphora gardnerae
7 cm
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