MolluscaBase name details
Parvithracia (Pseudoasthenothaerus) sematana (Yokoyama, 1922) †
1750946 (urn:lsid:marinespecies.org:taxname:1750946)
alternative representation
Species
marine, brackish, fresh, terrestrial
fossil only
(of Thracia sematana Yokoyama, 1922) Yokoyama, M. (1922). Fossils from the Upper Musashino of Kazusa and Shimosa. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 44(1): viii + 1-200, pls. 1-17 [7 July 1922]., available online at http://umdb.um.u-tokyo.ac.jp/DKoseibu/pdf/Ref_0465_.pdf
page(s): 173, pl. 14 figs 17-18 [details]
page(s): 173, pl. 14 figs 17-18 [details]
MolluscaBase eds. (2025). MolluscaBase. Parvithracia (Pseudoasthenothaerus) sematana (Yokoyama, 1922) †. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=1750946 on 2025-09-12
Date
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original description
(of Thracia sematana Yokoyama, 1922) Yokoyama, M. (1922). Fossils from the Upper Musashino of Kazusa and Shimosa. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 44(1): viii + 1-200, pls. 1-17 [7 July 1922]., available online at http://umdb.um.u-tokyo.ac.jp/DKoseibu/pdf/Ref_0465_.pdf
page(s): 173, pl. 14 figs 17-18 [details]
basis of record Kamenev, G. M. (2002). Genus <i>Parvithracia</i> (Bivalvia: Thraciidae) with descriptions of a new subgenus and two new species from the northwestern Pacific. <em>Malacologia.</em> 44(1): 107-134., available online at https://www.biodiversitylibrary.org/page/13143338
page(s): 126, figs 55-60, 65 [details]
page(s): 173, pl. 14 figs 17-18 [details]
basis of record Kamenev, G. M. (2002). Genus <i>Parvithracia</i> (Bivalvia: Thraciidae) with descriptions of a new subgenus and two new species from the northwestern Pacific. <em>Malacologia.</em> 44(1): 107-134., available online at https://www.biodiversitylibrary.org/page/13143338
page(s): 126, figs 55-60, 65 [details]
