Pterodactyloidea Pterodactyloidea Pterodactyloidea (derived from the Greek words "πτερόν" ("pterón", for usual "ptéryx") "wing", and "δάκτυλος" ("dáctylos") "finger" meaning "winged finger", "wing-finger" or "finger-wing") is one of the two traditional suborders of pterosaurs ("wing lizards"), and contains the most derived members of this group of flying reptiles. They appeared during the middle Jurassic Period, and differ from the basal (though paraphyletic) rhamphorhynchoids by their short tails and long wing metacarpals (hand bones). The most advanced forms also lack teeth, and by the late Cretaceous, all known pterodactyloids were toothless. Many species had well developed crests on the skull, a form of
Sandra (given name) in love with him, he placed a curse on her so that no one would believe her predictions. Sandra (given name) Sandra is a female name, which is often used as a short form for Alexandra or Cassandra. Alexandra is a feminine form of the male name Alexander, which is a romanization of the Greek name Ἀλέξανδρος "Alexandros". It is generally interpreted to mean "protector of man" or "defender of man". The name Cassandra is also from the Greek (: "she who entangles men"). Cassandra is known in Greek mythology, as the daughter of King Priam and Queen Hecuba of