"Helochelydra"@en . . "3740"^^ . "Early Cretaceous"@en . . "Nopcsa, 1928"@en . "1060824476"^^ . . . . . . . . "Helochelydra"@en . . "Helochelydra is an extinct genus of extinct stem turtle known from the Early Cretaceous (Barremian) of the Isle of Wight, southern England."@en . . . . . . . "Helochelydra is an extinct genus of extinct stem turtle known from the Early Cretaceous (Barremian) of the Isle of Wight, southern England."@en . . . . . . "Lapparent de Broin and Murelaga, 1999"@en . . . . "Helochelydra nopcsai"@en . . . . . . . . "56495081"^^ . . . .