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Living fossils of the world - Animals in the Habitats, and Biodiversity
It is the living fossil that the fossil of a species has same appearance as the extant species. The explanation in branckets is the age evolved. The time range is shown in the Geological Time Table. The followings are a part of the Evolutionary Tree.
- Kingdom Plantae
- Kingdom Animalia
- Phylum Brachiopoda (Lamp shells)
- Phylum Arthropod
- Subphylum Chelicerata (Horseshoe crabs, Scorpions, Spiders, Mites)
- Class Merostomata (Horseshoe crabs, Sea scorpions)
- Subphylum Hexapoda (Insects, others)
- Phylum Mollusca
- Class Cephalopod (Squid, Octopus, Cuttlefish, Nautilus, Ammonite)
- Phylum Chordate
- Subphylum Vertebra
- Infraphylum Gnathostomata (Jawed vertebrates)
- Class Chondrichthyes (Ray, Shark)
- Class Sarcopterygii (Four-limbed vertebrate, Coelacanth, Lungfish)
- Class Actinopterygii (Most living fishes)
- Class Amphibia
- Class Sauropsida (Non mammal-like reptiles)
- Subclass Anapsida (No arch near the temples)
- Subclass Diapsida (Two arches near the temples)
- Infraclass Lepidosauromorpha (Lizards, Snakes, Tuatara)
- Infraclass Archosauromorpha (Crocodiles, Pterosaurs, Dinosaurs)
- Class Aves
- Class Mammalia
- Subclass Theria (Wild animal)
- Infraclass Metatheria (Marsupials)
- Infraclass Eutheria (Placentals)
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