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Keyhole Echinoid


Fossil Foilist

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This is a Hardounia Kellumi, I think it is self explanatory why I gave it the name Keyhole echinoid. Found at the dig hole, Cretaceous, Peedee formation.

Anybody have the key to fit it? lol

Skylar

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Fossil Foilist
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Thats pretty cool with that hole like that Skylar.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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You may not know this but there actually IS an echinoid some call a ‘keyhole’ echinoid: Pygaster semisulcatus. And even keyhole sand dollars. But yours is neither and I have no key...

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Ha..I like it. Perhaps this echinoderm has evolved into a keyless species....now has a remote opener.

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This happens to modern Sea eggs! the hole at the top gets broken out. It may have been broken out before it fossilised.

Hunted for fossils in:
UK - Lyme Regis, Charmouth, The Thames and Hampshire (two trips)
Egypt - Desert somewhere near Giza - Nummalites and petrified wood
Australia - Lightening Ridge opal fields - opalised things!!!!
USA - Florida- Gainesville creeks and Diving in the Santa Fe river Meg teeth and 10 000 year old mammals
New Zealand- Around 30 sites visited and collected from. Including Chatham Islands. and now Canada

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