Description

Middle Miocene (Mohnian)

Aguajito Shale Member, Monterey Fm.

Carmel, California, USA

High quality specimen with several pectinariid worm tubes. Longest is 54mm

Worm,

This is one of those kinds of oddball fossils that is known from only a few sites worldwide.  Pectinariids belong to a family of polychaete worms dating back perhaps to the Cretaceous and still living today.