Sea urchin fossils are among my favs

[outdoorfunblonde]

I have found some nice fossils over the years, but I love the sea urchins!!
I sometimes use a small magnifying glass to take pics to show the detail since they are hard to photograph.
Also, I have only a few of the snail shell fossils, which are too my favs. Way less snail shells to be found it seems!

 

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[EccentricInTexas]

Neat finds!!!

 

[austin]

Repeat after me: Echinoids(sea urchins), Exogyra arietina(snails) and turritellas(curly Q dudes). That's what we have here in our area. If you want to hunt those snall shells about 50 times larger(exogyra ponderosa), there is a reef behind Holmes High School that is loaded with them. They wash out of the soil and are just sitting on top. Heading toward Blanco there are exogyra texana(about 1/4th that big down that road where the big golf ball statue is. Go to the golf course area and there is a bunch. Then, if you want calcite geodes, drive to Spring Branch and as you pass the store there, the first slope on the right is full of them. Happy hunting...

 

[outdoorfunblonde]

Thanks!! I'll keep that in mind!

 

[bone2stone]

Repeat after me: Echinoids(sea urchins), Exogyra arietina(snails) and turritellas(curly Q dudes). That's what we have here in our area. If you want to hunt those snall shells about 50 times larger(exogyra ponderosa), there is a reef behind Holmes High School that is loaded with them. They wash out of the soil and are just sitting on top. Heading toward Blanco there are exogyra texana(about 1/4th that big down that road where the big golf ball statue is. Go to the golf course area and there is a bunch. Then, if you want calcite geodes, drive to Spring Branch and as you pass the store there, the first slope on the right is full of them. Happy hunting...

You are close, the echinoids are called Salinia Mexicana. I collect local species of Tex echinoids (DFW area).
I have found three species of Salinia, (Mexicana/Texana and Volana) all found within 10 miles of Ft Worth.
The snails on the other hand are numerous in some deposits. Take a look at mine in the fossils thread. "Enmasse death plate"
The Exogyra Pondersoa you speak of, on the other hand are not snails at all. They are in effect a different species completely.
Exogyra is a species of extinct oyster. We find these and a few other gryphaeidae in the N Tex area especially along the upper Sulphur River.
If you Google or Bing the name Exogyra Ponderosa Wikipedia has a full explanation on these.
Hope outdoorfunblond finds lots of fossils but next time post them in the fossil thread.
That way fossil guys such as me will find it quickly.

Bone2stone (Jess Boe)

 

[Muddy Boots]

Those are cool!