Lotharingibelus n. gen., a new belemnite genus from the upper Toarcian Minette ironstones of the NE Paris Basin Author Weis, Robert Paleontological Department, National Museum of Natural History Luxembourg, 25 rue Münster L- 2160 Luxembourg (Luxembourg) robert. weis @ mnhn. lu robert.weis@mnhn.lu Author Mariotti, Nino Author Pignatti, Johannes Department of Earth Sciences, “ La Sapienza ” University, Rome (Italy) nino. mariotti @ fondazione. uniroma 1. it johannes. pignatti @ uniroma 1. it nino.mariotti@fondazione.uniroma1.it Author Delsate, Dominique Paleontological Department, National Museum of Natural History Luxembourg, 25 rue Münster L- 2160 Luxembourg (Luxembourg) dominique. delsate @ mnhn. lu dominique.delsate@mnhn.lu text Geodiversitas 2025 2025-12-18 47 23 767 781 journal article 313635 10.5252/geodiversitas2025v47a23 08de7583-cef9-45a4-8fea-8113af2d2b6c 1638-9395 17983102 urn:lsid:zoobank.org:pub:5EE9ED75-B90C-4AD2-AF4C-3557CD066F05

TABLE 3. — Overview on some dimorphic belemnite pairs described in the literature. Abbreviations: OR, orthorostrum; ER, epirostrum-bearing specimen.

Epirostrum-bearing taxa	Taxa with orthorostrum only	Stratigraphic distribution	References
Cuspiteuthis tubularis (Young & Bird, 1822)	Cuspiteuthis simpsoni (Mayer-Eymar, 1883)	lower Toarcian	Doyle (1985, 1992)
Dactyloteuthis similis (von Seebach, 1864)	Dactyloteuthis semistriata (Münster, 1830)	upper Toarcian	Schlegelmilch (1998: 18)
Dactyloteuthis ventricosa (Quenstedt, 1848)	Dactyloteuthis digitalis (Blainville, 1827)	lower Toarcian (Bifrons Zone) to upper Toarcian (Levesquei Zone)	Doyle (1992)
Dactyloteuthis crossotela (Blake in Tate & Blake, 1876) [ER]	Dactyloteuthis crossotela (Blake in Tate & Blake, 1876) [OR]	lower Toarcian (Bifrons Zone) to upper Toarcian (Variabilis Zone)	Doyle (1992)
Pleurobelus compressus (Stahl, 1824)	Pleurobelus aff. compressus (Stahl, 1824)	upper Pliensbachian	Pinard et al. (2014)
Pleurobelus subirregularis (Lissajous, 1927)	Pleurobelus lagenaeformis (Hartmann in von Zieten, 1832)	upper Pliensbachian	Pinard et al. (2014)
Calabribelus tetramerus (Eudes-Deslongchamps, 1878)	Calabribelus tetramerus (Eudes-Deslongchamps, 1878)	lower Bajocian	Weis et al. (2017)
Megateuthis glaber (Simpson, 1855)	Megateuthis rhenana (Oppel, 1856)	lower Toarcian (Bifrons Zone, Fibulatum subzone) to upper Toarcian (Levesquei Zone)	Doyle (1992)