Home›Reptiles›NatureServe RankBrowse ByNatureServe RankFactsNatureServe RankSourcesComments (0)Reader Challenges (0)FactsComparisonReproductive ModeWell-attestedOviparous (Egg-Laying) 1NatureServe RankG1 Critically ImperiledNatureServe Rank1 entryG2 ImperiledNatureServe Rank4 entriesG3 VulnerableNatureServe Rank8 entriesG4 Apparently SecureNatureServe Rank9 entriesG5 SecureNatureServe Rank28 entriesGNR UnrankedNatureServe Rank3 entriesSources1. Wikipedia: Reptiletier 2WikipediaReptile, lead sectionQuote, Reptile, lead sectionMost reptiles are oviparous with shelled eggs, although several species of squamates are viviparous, as were some extinct marine reptile clades.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.