©
tex.the.naturalist: Fossil sea urchin top side
©
tex.the.naturalist: Fossil sea urchin bottom sideSea Urchin top side
©
tex.the.naturalist: Fossil Sandollar
©
tex.the.naturalist: Fossil Sandollar
©
tex.the.naturalist: Fossil sea urchin
©
tex.the.naturalist: Fossil Urchin top and bottom
©
tex.the.naturalist: Fancy Urchin Fossil
©
tex.the.naturalist: Fossil echinoderms, note quartz centers
©
tex.the.naturalist: Phymosoma top and bottom views
©
tex.the.naturalist: Phymosoma, notice spines in outcrop
©
tex.the.naturalist: Phymosoma in situ
©
tex.the.naturalist: Holectypus urchin
©
tex.the.naturalist: Heteraster mexicanus
©
tex.the.naturalist: Heteraster mexicanus
©
tex.the.naturalist: Kerr Co Urchin
©
tex.the.naturalist: Kerr Co Urchin 1
©
tex.the.naturalist: Macraster echinoid
©
tex.the.naturalist: 'Motley Crew'
©
tex.the.naturalist: small urchin
©
tex.the.naturalist: urchin fossil
©
tex.the.naturalist: Urchin in boulder
©
tex.the.naturalist: Urchin in Marl
©
tex.the.naturalist: Urchin from the Marl
©
tex.the.naturalist: Urchin
©
tex.the.naturalist: small urchin
©
tex.the.naturalist: tiny urchin in cast of a mollusk shell
©
tex.the.naturalist: 50k views
©
tex.the.naturalist: Urchins