TABLE 1. Pliosaurid suture conditions, whether closed, open (indicated by the X symbol), or unknown (?), observed between the centra of cervical, dorsal as well as caudal vertebrae, along with their associated neural arches or ribs.
| Taxa | Specimen collection numbers | Open sutures between the neural arches and centra of cervical vertebrae |
Open sutures between the neural arches and centra of dorsal vertebrae |
Open sutures between the neural arches and centra of caudal vertebrae |
Open sutures between cervical ribs and centra |
References |
| Arminisaurus schuberti | NAMU ES/jl 36052 (holotype) | x | x | x | x | Sachs and Kear, 2018 |
| Brachauchenius lucasi | MNA V9433 | x | closed | ? | x | Albright et al., 2007b |
| Cryonectes neustriacus | MAE2007.1.1(J) (holotype) | x | ? | ? | x | Vincent et al., 2013 |
| Eardasaurus powelli | OUMNH PAL-J.2247 (holotype) | x | ? | ? | x | Ketchum and Benson, 2022 |
| Eiectus longmani | MCZ 1285 (holotype) | x | ? | x | x/closed | Romer and Lewis, 1935; Noè and Gómez-Pérez, 2022 |
| Gallardasaurus iturraldei | MNHNCu P300 (holotype) | x | ? | ? | closed | Gasparini, 2009 |
| Hauffiosaurus tomistomimus | MANCH LL8004 (holotype) | x | x | x | x | Benson et al., 2011 |
| Hauffiosaurus zanoni | Hauff uncataloged (holotype) | x | ? | x | x | pers. obs; Vincent, 2011 |
| Hauffiosaurus longirostris | MCZ 1033 (holotype) | ? | ? | ? | closed | White, 1940 |
| Kronosaurus queenslandicus | QM F1609 (holotype) | ? | ? | ? | ? | Longman, 1924; Noè and Gómez-Pérez, 2022 |
| Liopleurodon ferox | NHMUK R. 3536 | x | ? | ? | x | Andrews, 1913; Tarlo, 1960 |
| Liopleurodon ferox | GPIT-PV-30093 (mounted specimen) | x | x | ? | x | Linder, 1913; pers. obs. |
| Makhaira rossica | YKM 68249/1-10 (holotype) | ? | x | ? | ? | Fischer et al., 2015 |
| Marmornectes candrewi | BEDFM 1999.201 (holotype) | x | x | x | x | Ketchum and Benson, 2011 |
| Megacephalosaurus eulerti | FHSM VP-321 (holotype) | x | ? | ? | x | Schumacher et al., 2013 |
| Monquirasaurus boyacensis | MJACM 1 (holotype) | x | ? | ? | ? | Noè and Gomez-Perez, 2022 |
| Pachycostasaurus dawni | PETMG R338 (holotype) | x | x | ? | x | Cruickshank et al., 1996 |
| Peloneustes philarchus | CAMSM J.46913 (holotype) and refered materiel | x | x | x/closed | closed | Ketchum, 2007 |
| Pliosaurus brachydeirus | OUMNH J.9245 (holotype) | x | ? | ? | x | Tarlo, 1960; Knutsen et al., 2012 |
| Pliosaurus cf. kevani | CAMSM J.35990 (originally referred to as Stretosaurus macromerus) | x | x | x | x | Tarlo, 1960; Benson et al., 2013b |
| Pliosaurus funkei | PMO 214.135 (holotype) and PMO 214.136 | x | x | ? | ? | Knutsen et al., 2012 |
| Pliosauridae indet. | NHMUK R2439 | x | ? | x | x | Ketchum, 2007; Ketchum and Benson, 2011 |
| Pliosauridae indet. | IGM 4546 | ? | x | ? | ? | Barrientos-Lara et al., 2015 |
| Pliosauridae indet. | UANL- FCT-R2 | x (pectoral vertebrae) | ? | ? | ? | Buchy et al., 2003 |
| Pliosaurus westburyensis | BRSMG Cc332 (holotype) | x | ? | ? | x | Taylor and Cruickshank, 1993; Knutsen et al., 2012; Benson et al., 2013b |
| Sachicasaurus vitae | MP111209-1 (holotype) | x | x | ? | x | Páramo-Fonseca et al., 2016 |
| Simolestes vorax | NHMUK R. 3319 (holotype) | x | ? | ? | ? | Andrews, 1913 |
| Stenorhynchosaurus munozi | VL17052004-1 (holotype) | x | x | ? | x | Hampe, 2005; Páramo-Fonseca et al., 2018 |
| Stenorhynchosaurus munozi | MP050310-1 | x | ? | ? | closed | Páramo-Fonseca et al., 2019 |
| Thalassophonea indet. | CAMSM J.29564 (previously type of P. brachyspondylus) | x | ? | ? | x | Knutsen et al., 2012; Benson et al., 2013b |
