[D] Lurdusaurus arenatus [sG] [T]
Taquet & Russell, 1999
Cretaceous Early Aptian
Ornithischia Ornithopoda Iguanodontia Iguanodontidae
Echkar Formation -Upper Elrhaz Formation-, Gadoufaoua, Niger
Genus - Typespecies
Lurdusaurus arenatus (Taquet & Russell, 1999) >> Gravisaurus tenerensis (Norman, 1989)
A ponderously constructed ornithischian dinosaur, Lurdusaurus arenatus, nov. g., nov. sp., from the Aptian of Niger resembles extinct giant ground sloths in general body form. Details of its skeletal anatomy indicate a close affinity to European iguanodontids of Early Cretaceous age.
Family Iguanodontidae Origin of name: lurdus, Latin for \\\"heavy, both in weight and significance\\\" arenatus, Latin for \\\"sandy\\\"
MNHN GDF 1700, nearly complete skeleton (but much of skull is missing) Formerly known as Gravisaurus tenerensis; contemporary of Ouranosaurus nigeriensis.
(Paul, 2007) Adults large. Overall extremely massively constructed. Occipital condyle directed posteriorly. Quadrate very short, shaft straight, transversely road, dorso-posterior buttress large. Cervical series elongated, well developed hypapophyses on posterior cervical centra. Dorsal neural spines short, ossified vertebral ligaments probably absent. Ribcage rotund. Forelimb ~60% length of hindlimb. Coracoid large. Olecranon process large. Manus short and broad, pollex spike very large. Anterior ilia diverge widely. Prepubic process of pubis shallow, postpubic process very short.
Carpenter & Ishida (2010) Early and “Middle” Cretaceous Iguanodonts in Time and Space Journal of Iberian Geology 36 (2) 145-164
Lurdusaurus arenatus Taquet and Russell 1999
Near Elrhaz, Niger
Aptian (Rauhut and Lopez-Arbarello 2008).
The postcrania is fragmentary, and no ilium is known.