Gastropods

Page 4 (Showing Results 28 - 36 of 36)

See Gastropods from the:

		Quaternary
		Tertiary
		Cretaceous
		Jurassic
		Triassic
		Permian
		Carboniferous
		Devonian
		Silurian
		Ordovician
		Cambrian
		Precambrian

Straparolus © 2004 UCMP	Turitella sp. © 1998 Dr. Richard Paselk, Humboldt State University Natural History Museum	Turritella andersoni © 2004 UCMP
Turritella apicalis © 1997 Tom Maier	Turritella cumberlandia © 2006 public domain	Valvata © 2000 Karl Wilson
Valvata scabrida © 1998 Dr. Richard Paselk, Humboldt State University Natural History Museum	Vasum horridum © 1997 Tom Maier	Worthenia sp. © 1998 Dr. Richard Paselk, Humboldt State University Natural History Museum

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