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Mystery Tunnel - Atypoides riversi

Mystery Tunnel - Atypoides riversi
Point Reyes, Marin County, California, USA
March 9, 2014
Size: inside diameter ~1/4"
Hey Folks, my first post here ever and it is a mystery. What could have built the column, it has ~1/4" diameter. Found in Pt Reyes today near the coast. Cheers! Rudyard

Moved from Antrodiaetus.


Moved from Spiders.

Moved from ID Request.

Here is something similar
built by a Mygalomorph spider

A folding door spider.

A much belated thanks
from both me and the photographer!

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