Fig. 2
From: Lissajousibelus nov. gen., an Early Jurassic canaliculate belemnite from Normandy, France
Lissajousibelus harleyi (Mayer 1866). a Adult stage (MNHNL BEL373a); a 1 ventral view, a 2 lateral view, venter right, a 3 dorsal view. b (Sub)adult stage (MHNLM 2015.1.1); b 1 ventral view, b 2 lateral view, venter left, b 3 dorsal view, b 4 detail of the dorsal “groove”, scale bar equals 10 mm. c (Sub)adult stage, anterior part broken (MHNLM 2015.1.6); c 1 ventral view, c 2 lateral view, venter right, c 3 cross section of the alveolar region, c 4 cross section of the stem region, c 5 cross section of the apical region. d Subadult stage (UCBL FSL.27508); d 1 ventral view, d 2 lateral view; figured also in (Lissajous 1927, pl. IV, Fig. 3). e Subadult stage, extremely slender individual with broken anterior part (MHNLM 2015.1.2); e 1 ventral view, e 2 lateral view, venter right, e 3 dorsal view. f Subadult stage (MHNLM 2015.1.4); f 1 ventral view, f 2 lateral view, venter right, f 3 dorsal view. g Adult stage (MHNLM 2003.1.2107a); g 1 ventral view, g 2 lateral view, venter left. h Lectotype, herein designated (UCBL EM18076), figured also in Weis et al. 2012, pl. 2, Fig. 5; h 1 ventral view, h 2 lateral view. i Early juvenile stage (MHNLM 2003.1.2107b); i 1 ventral view, i 2 lateral view, venter left. j Adult-gerontic stage, apical region and part of stem region (MHNLM 2015.1.3); j 1 ventral view, j 2 lateral view, venter left, j 3 cross section at broken end. k (Sub)adult stage (MHNLM 2015.1.5); k 1 ventral view, k 2 lateral view, venter left, k 3 dorsal view. Specimens originate from the lower Toarcian, Tenuicostatum Chronozone, Semicelatum Subchronozone of Feuguerolles-sur-Orne, Normandy (b–c, e, j, k), lowermost Toarcian of Montceaux-en-Bessin (f), lowermost Toarcian of unknown locality in Normandy (a), “Domerian” (?) of Subles, Calvados (d), lowermost Toarcian of Fontaine-Etoupefour, Calvados (h), Toarcian of Asnières-sur-Vègre and Prévigné, Sarthe (g, i)