MolluscaBase name details
original description
(of Modiola subparallela Portlock, 1843 †) Portlock, J. E. (1843). Report on the Geology of the county of Londonderry and a part of Tyrone and Fermanagh. Examined and described under the authority of the Master General and Board of Ordnance. Dublin (Milliken). pp. 1-784, Pls I - XXXVIII; A-I. , available online at https://books.google.it/books?id=qw68AAAAIAAJ&hl=it&pg=PR1#v=onepage&q&f=false
page(s): 433, pl. 34, fig. 16; note: originally as "sub-parallela" [details]
basis of record
Ludwig, R. (1861). Zur Palaeontologie des Ural's. <em>Palaeontographica.</em> 10(1): 17–36., available online at https://www.biodiversitylibrary.org/page/35371951
page(s): 255-256, pl. 10, fig. 15 [details]