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Adding my website: www.mbfossilcrabs.com

About 650 of decapod species, mainly brachyura (true crabs) and more than 1600 pictures of them.

As well, geological, systematic and literature information is provided.

I hope it will help you to identify your findings.

:)

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Wow.  650 species…!

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5 hours ago, jpc said:

Wow.  650 species…!

Yes, yesterday it was 665 different species in my collection, but it is becoming more and more difficult for me to increase new references with new specimens :unsure:

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caterpillar

The reference site

I have several that you miss :D!!

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MarcoSr

Wow, what an incredible reference site.  Are fossil crabs identified solely by the carapace features, or do the claws and legs also help with the ID?  I know the bottom of the carapace can help ID the sex of a crab.  Does the bottom of the carapace contain features that also help to identify the crab?

 

Marco Sr.

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  • 2 weeks later...
On 4/19/2022 at 9:37 AM, caterpillar said:

The reference site

I have several that you miss :D!!

Wait, Dominique, wait... I will visit you soon... :D

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Posted (edited)
On 4/20/2022 at 12:52 PM, MarcoSr said:

Wow, what an incredible reference site.  Are fossil crabs identified solely by the carapace features, or do the claws and legs also help with the ID?  I know the bottom of the carapace can help ID the sex of a crab.  Does the bottom of the carapace contain features that also help to identify the crab?

 

Marco Sr.

Bottom, the sternopleonal (ventral) features of the crab, are more diagnostic at familial level than the carapace, and yes, they are very good for an accurate identification. Claws and legs are also useful :)

Edited by MB
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