(ofVaugonia (Hijitrigonia) geniculata T. Kobayashi & Mori, 1955 †)Kobayashi, T.; Mori, K. (1955). The Vaugoniinae from the Kitakami Mountains in North Japan. On the Jurassic trigonians in Japan Part III. <em>Japanese Journal of Geology and Geography.</em> 26: 73-88. page(s): 84, pl. 4, figs 4-9 [details] Available for editors
MolluscaBase eds. (2025). MolluscaBase. Hijitrigonia geniculata T. Kobayashi & Mori, 1955 †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1332263 on 2025-05-20
Marine Species Traits editorial board (2025). Marine Species Traits. Hijitrigonia geniculata T. Kobayashi & Mori, 1955 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1332263 on 2025-05-20
original description(ofVaugonia (Hijitrigonia) geniculata T. Kobayashi & Mori, 1955 †)Kobayashi, T.; Mori, K. (1955). The Vaugoniinae from the Kitakami Mountains in North Japan. On the Jurassic trigonians in Japan Part III. <em>Japanese Journal of Geology and Geography.</em> 26: 73-88. page(s): 84, pl. 4, figs 4-9 [details] Available for editors