//See: [[https://www.deviantart.com/concavenator/art/Preglacial-Antarctic-Fauna-743792907|Preglacial Antarctic Fauna]].// A (non-exhaustive) list of the organisms found on [[Tagra]]. ==== Plants ==== === Seedless plants === * Red and green algae * Mosses and liverworts (Bryophyta) * //Kachai//: tree ferns ([[https://en.wikipedia.org/wiki/Cyatheales|Cyatheales]], e.g. //Dicksonia//) === Conifers === * Celery pines (//[[https://en.wikipedia.org/wiki/Phyllocladus|Phyllocladus]]//) * Kauri (//[[https://en.wikipedia.org/wiki/Agathis|Agathis]]//) * Wollemi pine (//[[https://en.wikipedia.org/wiki/Wollemia|Wollemia]]//) * //Kachyu//: podocarp (//[[https://en.wikipedia.org/wiki/Podocarpus|Podocarpus]]//) === Flower plants === * Southern beech (//[[https://en.wikipedia.org/wiki/Nothofagus|Nothofagus]]//) * [[https://en.wikipedia.org/wiki/Cushion_plant|Cushion plants]] (various) * Heathers, especially crowberry (//[[https://en.wikipedia.org/wiki/Empetrum|Empetrum]]//)-like species * Proteas ([[https://en.wikipedia.org/wiki/Proteaceae|Proteaceae]]) * [[https://en.wikipedia.org/wiki/Myrtales|Myrtales]] * //Chaukra//: a [[https://en.wikipedia.org/wiki/Pringlea|Kerguelen cabbage]]-like plant ==== Animals ==== === Invertebrates === * Bivalves (e.g. clams, oysters, mussels) * Squids and cuttlesquids (descendants of //[[https://en.wikipedia.org/wiki/Trachyteuthis|Trachyteuthis]]//) * [[https://en.wikipedia.org/wiki/Glypheoidea|Glypheid lobsters]] (related to //Glyphaea//) * [[https://en.wikipedia.org/wiki/Weta|Wetas]] (Anostostomatidae) * Sea cucumbers (Holothuroidea) and other echinoderms === Fish === * Sleeper sharks ([[https://en.wikipedia.org/wiki/Southern_sleeper_shark|Somniosidae]]) * Lungfish (Dipnoi) === Amphibians and reptiles === * Temnospondyls related to //[[https://en.wikipedia.org/wiki/Koolasuchus|Koolasuchus]]// * Crocodiles (Crocodylia) * Tuataras ([[https://en.wikipedia.org/wiki/Sphenodontidae|Sphenodontidae]]) * Sea turtles (Chelonioidea) * Giant tortoises (similar to //[[https://en.wikipedia.org/wiki/Meiolania|Meiolania]]//) === Non-avian dinosaurs === * //krukaa//: a large ornithopod (descendant of //[[https://en.wikipedia.org/wiki/Muttaburrasaurus|Muttaburrasaurus]]//) * Social ornithopods with quill-like feathers, descendants of //[[https://en.wikipedia.org/wiki/Leaellynasaura|Leaellynasaura]]// * //yachakri//: large megaraptoran theropod (descendant of //[[https://en.wikipedia.org/wiki/Australovenator|Australovenator]]//) * //[['Ikra]]// === Birds === * Duck-like birds (descendants of //[[https://en.wikipedia.org/wiki/Vegavis|Vegavis]]// and //Polarornis//) * Pelagornid (pseudotoothed birds, descendants of //[[https://en.wikipedia.org/wiki/Dasornis|Dasornis]]//) * Giant penguins (//[[https://en.wikipedia.org/wiki/Archaeospheniscus|Archaeospheniscus]]//, //[[https://en.wikipedia.org/wiki/Palaeeudyptes|Palaeeudyptes]]//, //[[https://en.wikipedia.org/wiki/Anthropornis|Anthropornis]]//) * Moa-, kiwi-, and rhea-like [[https://en.wikipedia.org/wiki/Ratite|ratites]] === Mammals === * Platypodes, mostly riverine * Marsupial: early possums (Phalangeriformes), koala-, wombat-, and quoll-like forms * Carnivorous [[https://en.wikipedia.org/wiki/Sparassodonta|sparassodonts]] * [[https://en.wikipedia.org/wiki/Multituberculata|Multituberculates]] (descendants of //Corriebaatar//) * Astrapotheria (trunked and tusked mammals, descendants of //[[https://en.wikipedia.org/wiki/Antarctodon|Antarctodon]]//), mostly aquatic * [[https://en.wikipedia.org/wiki/Litopterna|Litopternans]], related to //Notiolofos//. * Primitive baleen whales (e.g. //[[https://en.wikipedia.org/wiki/Aetiocetus|Aetiocetus]]//, //[[https://en.wikipedia.org/wiki/Llanocetus|Llanocetus]]//) * Primitive toothed whales (similar to //[[https://en.wikipedia.org/wiki/Janjucetus|Janjucetus]]//) ==== Other organisms ==== * Lichens, fungi, mushrooms (e.g. //[[https://en.wikipedia.org/wiki/Cyttaria|Cyttaria]]//, parasite of //Nothofagus//) * Kelp ([[https://en.wikipedia.org/wiki/Kelp|Laminariales]]) ==== Sources ==== * [[https://en.wikipedia.org/wiki/South_Polar_region_of_the_Cretaceous|South Polar region of the Cretaceous]] * "[[https://en.wikipedia.org/wiki/Antarctic_flora|Antarctic flora]]" (original flora of Gondwana, today found in South America, Madagascar, Australia, and New Zealand): Podocarpaceae, Araucariaceae, Proteaceae, //Nothofagus//, //Dicksonia// * [[https://en.wikipedia.org/wiki/Eumeralla_Formation|Eumeralla]], [[https://en.wikipedia.org/wiki/Winton_Formation|Winton]] and other formations (Australia, 110-100 Ma): //Leaellynasaura//, //Diamantinasaurus//, //Australovenator//, //Muttaburrasaurus//, //Koolasuchus//, //Corriebaatar//, lungfish, monotremes, crocodyles, meiolaniids, unspecified Dromaeosauridae * [[https://people.ohio.edu/oconnorp/PDFs/Roberts%20etal_2014-Vega%20Isand%20Stratigraphy.pdf|Vega Island]] (Antarctica, 70-66 Ma): //Vegavis// and other birds, unspecified Hadrosauridae, Araucariaceae, various mollusks and crustaceans * [[https://en.wikipedia.org/wiki/La_Meseta_Formation|La Meseta]] Formation and other sites of Seymour Island (Antarctica, 55-40 Ma): //Dasornis//, giant penguins, //Antarctodon//, //Notiolofos// Gondwanatheria, opossums, //Llanocetus//, sharks, //Glyphaea//, various bivalves * Biogeography: sparassodonts (South America), sphenodonts, weta (New Zealand), marsupials, ratites (South America & Australia), mussels, //Empetrum//, Somniosidae, large cetaceans (bi-polar distribution)