tagran-biota
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Table of Contents
See: 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 (Cyatheales, e.g. Dicksonia)
Conifers
- Celery pines (Phyllocladus)
- Kauri (Agathis)
- Wollemi pine (Wollemia)
- Kachyu: podocarp (Podocarpus)
Flower plants
- Southern beech (Nothofagus)
- Cushion plants (various)
- Heathers, especially crowberry (Empetrum)-like species
- Proteas (Proteaceae)
- Chaukra: a Kerguelen cabbage-like plant
Animals
Invertebrates
- Squids and cuttlesquids (descendants of Trachyteuthis)
- Glypheid lobsters (related to Glyphaea)
- Wetas (Anostostomatidae)
- Sea cucumbers (Holothuroidea) and other echinoderms
Fish
- Sleeper sharks (Somniosidae)
- Lungfish (Dipnoi)
Amphibians and reptiles
- Temnospondyls related to Koolasuchus
- Crocodiles (Crocodylia)
- Tuataras (Sphenodontidae)
- Sea turtles (Chelonioidea)
- Giant tortoises (similar to Meiolania)
Non-avian dinosaurs
- krukaa: a large ornithopod (descendant of Muttaburrasaurus)
- Social ornithopods with quill-like feathers, descendants of Leaellynasaura
- Large megaraptoran theropod (descendant of Australovenator)
Birds
Mammals
- Platypodes, mostly riverine
- Marsupial: early possums (Phalangeriformes), koala-, wombat-, and quoll-like forms
- Carnivorous sparassodonts
- Multituberculates (descendants of Corriebaatar)
- Astrapotheria (trunked and tusked mammals, descendants of Antarctodon), mostly aquatic
- Litopternans, related to Notiolofos.
- Primitive baleen whales (e.g. Aetiocetus, Llanocetus)
- Primitive toothed whales (similar to Janjucetus)
Sources
- “Antarctic flora” (original flora of Gondwana, today found in South America, Madagascar, Australia, and New Zealand): Podocarpaceae, Araucariaceae, Proteaceae, Nothofagus, Dicksonia
- Vega Island (Antarctica, 70-66 Ma): Vegavis and other birds, unspecified Hadrosauridae, Araucariaceae, various mollusks and crustaceans
- La Meseta Formation and other sites of Seymour Island (Antarctica, 55-40 Ma): Dasornis, giant penguins, Gondwanatheria, opossums, Llanocetus, Glyphaea
tagran-biota.1591797531.txt.gz · Last modified: 2020-06-10 13:58 by concavenator