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On 10/19/24 8:45 AM, erik simpson wrote:
> Here's and account of a nini-foot millipede that would keep you inside 
> if you saw it in your yard.
> 
> https://www.science.org/doi/10.1126/sciadv.adp6362
> 
> Abstract
> The Carboniferous myriapod Arthropleura is the largest arthropod of all 
> time, but its fossils are usually incomplete, limiting the understanding 
> of its anatomy, ecology, and relationships. Micro–computed tomography 
> applied to exceptionally preserved specimens from the Carboniferous 
> Montceau-les-Mines Lagerstätte (France) reveals unprecedented details of 
> its functional anatomy, such as the head and mouthparts. Arthropleura 
> shares features with both millipedes and centipedes. Total-evidence 
> phylogeny combining morphological and transcriptomic data resolves 
> Arthropleura alone as a stem group millipede, but the inclusion of the 
> highly incomplete Siluro-Devonian Eoarthropleura draws it deeper into 
> the myriapod stem. Arthropleura suggests transitional morphology between 
> clades united primarily by molecular information and underscores the 
> value of total-evidence phylogenetics to understanding evolutionary 
> history.

Pharyngula had a recent post on the subject:

https://freethoughtblogs.com/pharyngula/?s=arthropleura

A couple of museums I've been to have lifesized models; they're going to 
have to fix the heads.