MolluscaBase name details
Basilissa laeviuscula Yokoyama, 1922 †
1575294 (urn:lsid:marinespecies.org:taxname:1575294)
unaccepted > junior subjective synonym
Species
fossil only
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): 113, pl. 5, fig. 24 [details]
page(s): 113, pl. 5, fig. 24 [details]
Type locality contained in Honshu
type locality contained in Honshu [details]
MolluscaBase eds. (2026). MolluscaBase. Basilissa laeviuscula Yokoyama, 1922 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1575294 on 2026-03-11
Date
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original description
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): 113, pl. 5, fig. 24 [details]
basis of record Oyama, K. (1973). Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quarternary of the Kanto area. <em>Palaeontological Society of Japan Special Papers.</em> 17: 1-148 + 57 pls.
page(s): 18, pl. 7, fig. 3 [details] Available for editors
[request]
page(s): 113, pl. 5, fig. 24 [details]
basis of record Oyama, K. (1973). Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quarternary of the Kanto area. <em>Palaeontological Society of Japan Special Papers.</em> 17: 1-148 + 57 pls.
page(s): 18, pl. 7, fig. 3 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
