Timeline
Taxa Taxon First Appearance Datum Last Appearance Datum Previous Estimates ImageAbyssosaurus nataliaeLate HauterivianLate HauterivianLate HauterivianAlbertonectes vanderveldeiLate CampanianLate CampanianLate CampanianAlexandronectes zealandiensisEarly MaastrichtianEarly MaastrichtianEarly MaastrichtianAlexeyisaurus karnoushenkoiEarly-Middle NorianEarly-Middle NorianEarly-Middle NorianAphrosaurus furlongiMaastrichtianMaastrichtianMaastrichtianAristonectes parvidensMaastrichtianMaastrichtianMaastrichtianAristonectes quiriquinensisLate MaastrichtianLate MaastrichtianLate MaastrichtianAttenborosaurus conybeariSinemurianSinemurianSinemurianCardiocorax mukuluEarly MaastrichtianEarly MaastrichtianEarly MaastrichtianDolichorhynchops herschelensisLate Campanian-Early MaastrichtianLate Campanian-Early MaastrichtianCampanian-Maastrichtian, Late Campanian-Early MaastrichtianScalamagnus tropicensisTuronianTuronianTuronianEdgarosaurus muddiLate AlbianLate AlbianAlbian, Late AlbianEromangasaurus australis AlbianAlbianAlbianManemergus anguirostrisEarly TuronianEarly TuronianMaastrichtian, Early TuronianNichollssaura borealisEarly AlbianEarly AlbianEarly AlbianPahasapasaurus haasiCenomanianCenomanianCenomanianPlesiopleurodon wellesiEarliest CenomanianEarliest CenomanianCenomanian, Earliest CenomanianPlesiosaurus dolichodeirusLate SinemurianLate SinemurianSinemurian, Late SinemurianPlesiosaurus macrocephalusSinemurianSinemurianSinemurianPlesiosaurus longirostrisToarcianToarcianToarcianPliosaurus brachydeirusEarly KimmeridgianEarly KimmeridgianKimmeridgian, Early KimmeridgianPliosaurus portentificusKimmeridgianKimmeridgianKimmeridgianPliosaurus brachyspondylusKimmeridgianKimmeridgianPliosaurus irgisensisTithonianTithonianTithonianPliosaurus macromerusCallovian-TithonianCallovian-TithonianCallovian-TithonianPliosaurus andrewsiCallovianCallovianCallovianPolyptychodon interruptusTuronian-SantonianTuronian-SantonianTuronian-SantonianElasmosaurus platyurusCampanianCampanianCampanianPolycotylus latipinnisSantonian-CampanianSantonian-CampanianSantonian, Santonian-CampanianLiopleurodon rossicusTithonianTithonianTithonian -->Liopleurodon pachydeirusCallovianCallovianCallovianLiopleurodon feroxCallovianCallovianCallovian Callawayasaurus colombiensis AptianAptianAptianKronosaurus boyacensisAptian-AlbianAptian-AlbianAptian-AlbianOpallionectes andamookaensisAptian-AlbianAptian-AlbianAptian-AlbianKronosaurus queenslandicusAptian-AlbianAptian-AlbianAptian-AlbianUmoonasaurus demoscyllus Aptian-AlbianAptian-AlbianAptian-AlbianSimolestes keileniBajocianBajocianBajocianMaresaurus coccai BajocianBajocianBajocianLeptocleidus superstesBarremianBarremianBarremianYuzhoupliosaurus chengjiangensisBathonianBathonianBathonianBrancasaurus brancaiBerriasianBerriasianBerriasianMuraenosaurus leedsiCallovianCallovianCallovianCryptoclidus richardsoniCallovianCallovianCallovianTricleidus seeleyiCallovianCallovianCallovianVinialesaurus caroliCallovianCallovianCallovianMuraenosaurus beloclisCallovianCallovianCallovianPeloneustes philarchusCallovianCallovianCallovianCryptoclidus eurymerusCallovianCallovianCallovianSimolestes voraxCallovianCallovianCallovianPachycostasaurus dawni CallovianCallovianCallovianTerminonatator ponteixensisCampanianCampanianCampanianMauisaurus haastiCampanianCampanianCampanianDolichorhynchops osborniSantonian-CampanianSantonian-CampanianCampanian, Santonian-Campanian Martinectes bonneriEarly CampanianEarly CampanianEarly CampanianTuarangisaurus keysei Campanian-MaastrichtianCampanian-MaastrichtianCampanian-MaastrichtianThalassomedon haningtoniCenomanianCenomanianCenomanianBrachauchenius lucasiCenomanian-TuronianCenomanian-TuronianCenomanian-TuronianLeptocleidus clemaiHauterivian-BarremianHauterivian-BarremianHauterivian-BarremianThalassiodracon hawkinsiiRhaetian-HettangianRhaetian-HettangianHettangian, Rhaetian-HettangianRhomaleosaurus megacephalusHettangianHettangianHettangianEurycleidus arcuatusHettangianHettangianHettangianMacroplata tenuicepsHettangianHettangianHettangianKimmerosaurus langhami KimmeridgianKimmeridgianKimmeridgianBathyspondylus swindoniensisKimmeridgianKimmeridgianKimmeridgianMegalneusaurus rexKimmeridgian-PortlandianKimmeridgian-PortlandianKimmeridgian-PortlandianColymbosaurus trochanteriusKimmeridgian-TithonianKimmeridgian-TithonianKimmeridgian-TithonianSinopliosaurus weiyuanensisKimmeridgian?Kimmeridgian?Kimmeridgian?Fresnosaurus drescheriMaastrichtianMaastrichtianMaastrichtianKaiwhekea katikiMaastrichtianMaastrichtianMaastrichtianLeurospondylus ultimusMaastrichtianMaastrichtianMaastrichtianMorenosaurus stockiMaastrichtianMaastrichtianMaastrichtianHydrotherosaurus alexandraeMaastrichtianMaastrichtianMaastrichtianThililua longicollis Early TuronianEarly TuronianMaastrichtian, Early TuronianSulcusuchus erraini"Campanian/Maastrichtian""Campanian/Maastrichtian"Maastrichtian, "Campanian/Maastrichtian"Tatenectes laramiensis OxfordianOxfordianOxfordianPantosaurus striatusOxfordianOxfordianOxfordianFutabasaurus suzukii SantonianSantonianSantonianGeorgiasaurus penzensisSantonianSantonianSantonianStyxosaurus snowiiSantonian-CampanianSantonian-CampanianSantonian-CampanianHydralmosaurus serpentinusSantonian-CampanianSantonian-CampanianSantonian-CampanianArchaeonectrus rostratusSinemurianSinemurianSinemurianEretmosaurus rugosusSinemurianSinemurianSinemurianSimolestes indicusTithonianTithonianTithonianRhomaleosaurus cramptoniToarcianToarcianToarcianRhomaleosaurus victorBishanopliosaurus youngiToarcianToarcianToarcianOccitanosaurus tournemirensisToarcianToarcianToarcianHydrorion brachypterygius ToarcianToarcianToarcianMicrocleidus homalospondylusToarcianToarcianToarcianMicrocleidus macropterusToarcianToarcianToarcianSthenarasaurus dawkinsToarcianToarcianToarcianSeeleysaurus guilelmiimperatorisToarcianToarcianToarcianHauffiosaurus zanoni ToarcianToarcianToarcianLibonectes atlasenseTuronianTuronianTuronianPalmula quadratusTuronianTuronianTuronian, TuronianTrinacromerum bentonianumTuronianTuronianTuronian, TuronianTrinacromerum kirkiTuronianTuronianTuronianLibonectes morganiConiacianConiacianTuronian, ConiacianEopolycotylus rankini TuronianTuronianTuronian, TuronianLeptocleidus capensisValanginianValanginianValanginianPliosaurus funkeiLusonectes sauvageiDjupedalia engeriAvalonnectes arturiEoplesiosaurus antiquiorStratesaurus tayloriAnningasaura lymenseZarafasaura oceanisWestphaliasaurus simonsensiiPliensbachianPliensbachianPliensbachianMarmornectes candrewiHauffiosaurus tomistomimus]Meyerasaurus victorToarcianMegacephalosaurus eulertiGronausaurus wegneriCryonectes neustriacusVectocleidus pastorumHastanectes valdensisSpitrasaurus wensaasiSpitrasaurus larseniNakonanectes bradtiSinemurianSinemurianMauriciosaurus fernandeziEarly TuronianEarly TuronianPolycotylus sopozkoiDawazisaurus brevisLariosaurus vosseveldensisStenorhynchosaurus munoziVegasaurus molyiEarly MaastrichtianEarly MaastrichtianEarly MaastrichtianKawanectes lafquenianumAtychodracon megacephalusAnguanax zignoiPliosaurus patagonicusPliosaurus patagonicusPliosaurus carpenteriLate KimmeridgianLate KimmeridgianLate KimmeridgianPliosaurus kevaniEarly KimmeridgianKimmeridgianEarly Kimmeridgian-KimmeridgianPliosaurus westburyensisLate KimmeridgianLate KimmeridgianLate KimmeridgianLuskhan itilensisHauterivianHauterivianArminisaurus schubertiLate PliensbachianLate PliensbachianLagenanectes richteraeEarly HauterivianEarly Barremian
Footnotes
References
Otero et al. (2014), Aristonectes quiriquinensis, sp. nov., a new highly derived elasmosaurid from the upper Maastrichtian of central Chile