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Balteurypterus tetragonophtalmus + Ortoceras


Fossil Claw

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Balteurypterus tetragonophtalmus + Ortoceras.

 

Newest addition to my collection.

 

 

s-l400~2.jpg

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Well done! :fistbump:

 

The Baltic-Ukrainian species is: Eurypterus (=Baltoeurypterus) tetragonophthalmus

Baltoeurypterus is now considered a junior synonym.

 

Fischer de Waldheim, G. 1839

Notice un Crustacé fossile du genre Eurypterus de Podolie.

Bulletin de la Société impériale des naturalistes de Moscou, 11:125-128  LINK

 

Selden, P.A. 1981

Functional morphology of the prosoma of Baltoeurypterus tetragonophthalmus (Fischer)(Chelicerata: Eurypterida). 

Earth and Environmental Science, Transactions of The Royal Society of Edinburgh, 72(1):9-48   PDF LINK

 

Braddy, S.J., & Dunlop, J.A. 1997

The functional morphology of mating in the Silurian eurypterid, Baltoeurypterus tetragonophthalmus (Fischer, 1839).

Zoological Journal of the Linnean Society, 121(4):435-461   PDF LINK

 

Quote:

"Three Silurian representatives of the extinct Eurypterida were scored: Parastylonurus ornatus based on Waterston (1979), Mixopterus kiaeri based on Størmer (1934) and Eurypterus (formerly Baltoeurypterus) tetragonophthalmus based on Selden (1981)."

 

Garwood, R.J., & Dunlop, J. 2014

Three-dimensional reconstruction and the phylogeny of extinct chelicerate orders.

PeerJ, 2:e641 33 pp.   PDF LINK

image.png.a84de26dad44fb03836a743755df237c.png

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10 minutes ago, piranha said:

Well done! :fistbump:

 

The Baltic-Ukrainian species is: Eurypterus (=Baltoeurypterus) tetragonophthalmus

Baltoeurypterus is now considered a junior synonym.

 

Fischer de Waldheim, G. 1839

Notice un Crustacé fossile du genre Eurypterus de Podolie.

Bulletin de la Société impériale des naturalistes de Moscou, 11:125-128  LINK

 

Selden, P.A. 1981

Functional morphology of the prosoma of Baltoeurypterus tetragonophthalmus (Fischer)(Chelicerata: Eurypterida). 

Earth and Environmental Science, Transactions of The Royal Society of Edinburgh, 72(1):9-48   PDF LINK

 

Braddy, S.J., & Dunlop, J.A. 1997

The functional morphology of mating in the Silurian eurypterid, Baltoeurypterus tetragonophthalmus (Fischer, 1839).

Zoological Journal of the Linnean Society, 121(4):435-461   PDF LINK

 

Quote:

"Three Silurian representatives of the extinct Eurypterida were scored: Parastylonurus ornatus based on Waterston (1979), Mixopterus kiaeri based on Størmer (1934) and Eurypterus (formerly Baltoeurypterus) tetragonophthalmus based on Selden (1981)."

 

Garwood, R.J., & Dunlop, J. 2014

Three-dimensional reconstruction and the phylogeny of extinct chelicerate orders.

PeerJ, 2:e641 33 pp.   PDF LINK

 

 

Got lucky and picked it up cheap too.

 

All around happy happy

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Very nice piece, a great acquisition. :)

Life's Good!

Tortoise Friend.

MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160-1.png.60b8b8c07f6fa194511f8b7cfb7cc190.png

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2 hours ago, RJB said:

Hey @Fossil Claw,,, very hard to tell from the photo, but is it possible that the rest  of that critter is under the rock?

 

RB

I had the same thought.

I guess I'll figure that out once it arrives.

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5 hours ago, Fossil Claw said:

had the same thought.

I guess I'll figure that out once it arrives

I wish you the very best of luck with that.  If so. you will have a really nice fossil!

 

RB

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My other recent purchase. I just couldn't help myself.

Kaiyodo UHA Dinosaur ancient creature collection Vol.1 Full Set of 25 

s-l400 (1).jpg

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