WoRMS name details
original description
(of Spio acuta Treadwell, 1914) Treadwell, Aaron L. (1914). Polychaetous annelids of the Pacific Coast in the collections of the Zoological Museum of the University of California. <em>University of California Publications in Zoology.</em> 13(8): 175-234, plates 11-12., available online at http://biodiversitylibrary.org/page/34806017 page(s): 199-201, plate 11 figs. 14-20 [details]
additional source
Hartman, O. (1969). Atlas of the sedentariate polychaetous annelids from California. 1-812. Allan Hancock Foundation, University of Southern California. Los Angeles. note: as a Nerinides (later =Scolelepis) [details]
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