agatized coral - Texas rule?

[Lone Hunter]

I want to call this coral but doesn't look like any I've seen from Texas, maybe it's the size and being agatized that I don't recognize it.  Tabulate coral or rudist maybe? Found in mostly Cretateous Eagle Ford creek.

[DPS Ammonite]

What formation is it from?

 

I remember similar fossils in the Goodland Fm. near White Settlement.

 

Possibilities:

worm tubes (Serpula?)

 

See photo in:

http://www.thefossilforum.com/topic/2371-plant/

 

[Lone Hunter]

Eagle Ford, guess you missed that But there is also Woodbine, mixed with some Pleistocene and Pennsylvanian. It does look like worm tubes from side I just thought the end looked too structured like vaguely honeycomb. I saw a similar large version of rudist reef which is why I threw that in.

[DPS Ammonite]

8 minutes ago, Lone Hunter said:

Eagle Ford, guess you missed that

It wasn’t clear whether Eagle Ford was the name of a creek, a town or formation. I thought that there might be a creek called Eagle Ford with Cretaceous rocks or another creek in Eagle Ford, Texas.

Edited November 8, 2023 by DPS Ammonite

[JamieLynn]

Definitely Worm Colony.  Water tumbled and polished. I find a fair number of those in the Eagle Ford. 

[jpc]

what does 'Texas rule' mean?  

Edited November 8, 2023 by jpc

[Tidgy's Dad]

21 minutes ago, jpc said:

what does 'Texas rule' mean?  

It's a regional joke.

The Texas Rule is an idea that if you are in an area where rudists occur, any rock or fossil that is found and cannot otherwise be identified must be a rudist.

[jpc]

Ahhh... in the Morrison, we say that any piece of weird bone that can't be IDed is a piece of a sauropod vertebra.  I get it now.  

[digit]

And here I thought it was that the worm tubes were BIGGER in Texas.

 

In the Peace River in Florida any solid bone fragment without diagnostic features is likely a dugongid rib bone (they can be that common).

 

 

Cheers.

 

-Ken