Skip to main content
Fig. 2 | Swiss Journal of Palaeontology

Fig. 2

From: Evolutionary development of the cephalopod arm armature: a review

Fig. 2

Toothed sucker rings (a, b) and arm hooks of Recent oegopsid (c, d), presumed Cenozoic oegopsid (e, f), belemnoid (gk), and ammonoid (m, n) cephalopods. a Todarodes pacificus (Recent, Ommastrephidae). Scale bar: 1 mm. b 3d reconstruction of Mesonychoteuthis hamiltoni (Recent, Cranchidae). c, d Watasenia scintillans (Recent, Enoploteuthidae), lateral (c) and oral (d) views. Scale bar: 0.2 mm. e 3d reconstruction of specimen NHMW1999z0050/0003 of Harzhauser (1999), Miocene, Austria. f 3d reconstruction of an isolated hook from the Miocene of Denmark. g, h 3d reconstruction of paragenus Arites (Permian–Cretaceous) in lateral (g) and basal (h) view. Note the narrow basal opening. i 3d reconstruction of an undetermined specimen figured in Reich (2002, Figs. 1–11) showing a comparatively wide basal opening. j biserially arranged hooks of Acantoteuthis speciosa (Belemnoteuthidae, Belemnitida), specimen MNHN B13426, Solnhofen Plattenkalks, Tithonian. Scale bar: 10 mm. k disarticulated hooks of Passaloteuthis paxillosa (Passaloteuthidae, Belemnitida), specimen SNSM26273, Schlierbach near Esslingen, Posidonia Shale, Lower Toarcian. Scale bar: 5 mm. l 3d reconstruction of a mega-hook (paragenus Onychites). m, n 3d reconstruction of Rhaeboceras halli (after Smith et al., 2021, Fig. 2b)

Back to article page