Huh, I didn't notice it was down.
Anyway, here's the current creature list as of 5/30/2020. Looking at it here, I might have miscounted. Looks like there's actually 610 animals, not 630. Thanks for the suggestions, StupidElves, but all of those are already in the mod.
Tyrannosaurus rex, Spinosaurus, Giganotosaurus, Tarbosaurus, Acrocanthosaurus, Carcharodontosaurus, Tyrannotitan, Velociraptor, Deinonychus, Coelophysis, Troodon, Eotyrannus, Concavenator, Dilophosaurus, Concavenator, Utahraptor, Eustreptospondylus, Piatnitzkysaurus, Shaochilong, Monolophosaurus, Gasosaurus, Dromaeosaurus, Achillobator, Saurornithoides, Saurornitholestes, Acheroraptor, Dakotaraptor, Atrociraptor, Gojirasaurus, Masiakasaurus, Guanlong, Stokesosaurus, Proceratosaurus, Balaur, Staurikosaurus, Guaibasaurus, Herrerasaurus, Dimetrodon, Nothosaurus, Champsosaurus, Megalania, Tanystropheus, Eryops, Saber-tooth tiger, dire wolf, cave lion, Phorusrhacos, Titanis, Hyaenodon, Haast's eagle, thylacine, American cheetah, Brontoscorpio, Dinogorgon, Gorgonops, Pyroraptor, Moros, Liliensternus, Rugops, Thanos, cave hyena, Barbary lion, Sphenacodon, Latenivenatrix, Macroeuphractus, Gnathovorax, Dinofelis, Archaeotherium, Hemicyon, Allosaurus, Carnotaurus, Baryonyx, Ceratosaurus, Megalosaurus, Albertosaurus, Gorgosaurus, Daspletosaurus, Dryptosaurus, Yutyrannus, Saurophaganax, Suchomimus, Irritator, Torvosaurus, Megaraptor, Neovenator, Aerosteon, Yangchuanosaurus, Abelisaurus, Majungasaurus, Cryolophosaurus, Metriacanthosaurus, Sinraptor, Deinosuchus, Sarcosuchus, Rhamphosuchus, Kaprosuchus, Teratosaurus, Postosuchus, Titanoboa, Rutiodon, Prionosuchus, Koolasuchus, Daeodon, cave bear, short-faced bear, Andrewsarchus, Thylacoleo, Inostrancevia, Smok, Ichthyovenator, Hatzegopteryx, bear dog, California grizzly, Mastodonsaurus, Deltadromeus, Goniopholis, Smilosuchus, Redondasaurus, Entelodon, Triceratops, Stegosaurus, Ankylosaurus, Iguanodon, Pachycephalosaurus, Styracosaurus, Pachyrhinosaurus, Therizinosaurus, Kentrosaurus, Deinocheirus, Segnosaurus, Alxasaurus, Beipiaosaurus, Nothronychus, Brontosaurus, Brachiosaurus, Diplodocus, Apatosaurus, Argentinosaurus, Shunosaurus, Omeisaurus, Camarasaurus, Mamenchisaurus, Barosaurus, Saltasaurus, Cetiosaurus, Titanosaurus, Antarctosaurus, Opisthocoelicaudia, Alamosaurus, Dicraeosaurus, Amargasaurus, Rebbachisaurus, Astrodon, Pelorosaurus, Euhelopus, Patagosaurus, Barapasaurus, Austrosaurus, Puertasaurus, Dreadnoughtus, Giraffatitan, Rhoetosaurus, Camptosaurus, Ouranosaurus, Altirhinus, Mantellisaurus, Rhabdodon, Dromornis, Dacentrurus, Lexovisaurus, Tuojiangosaurus, Huayangosaurus, Wuerhosaurus, Gigantspinosaurus, Chungkingosaurus, Hylaeosaurus, Polacanthus, Acanthopholis, Euoplocephalus, Nodosaurus, Panoplosaurus, Edmontonia, Sauropelta, Scolosaurus, Pinacosaurus, Tarchia, Saichania, Gastonia, Minmi, Crichtonpelta, Torosaurus, Centrosaurus, Chasmosaurus, Pentaceratops, Anchiceratops, Nasutoceratops, Einiosaurus, Diabloceratops, Sinoceratops, Monoclonius, Prenocephale, amphibious sea scorpion, Woolly mammoth, American mastodon, Woolly rhinoceros, Megatherium, Gastornis, Elasmotherium, Gigantopithecus, Megacerops, Embolotherium, Paraceratherium, Deinotherium, Gomphotherium, Diprotodon, Euryzygoma, Zygomaturus, Palorchestes, warrah, Metridiochoerus, Miragaia, Antarctopelta, Sauroposeidon, Dinopithecus, Mylodon, Kubanochoerus, Purlovia, steppe bison, Pelorovis, Megacamelus, Chalicotherium, Moropus, Celebochoerus, Megalochoerus, Aceratherium, Chilotherium, Parasaurolophus, Edmontosaurus, Corythosaurus, Maiasaura, Plateosaurus, Hypselosaurus, Vulcanodon, Lufengosaurus, Hadrosaurus, Kritosaurus, Hadrosaurus, Kritosaurus, Gryposaurus, Saurolophus, Prosaurolophus, Brachylophosaurus, Hypacrosaurus, Olorotitan, Charonosaurus, Lambeosaurus, Shantungosaurus, Tsintaosaurus, Bactrosaurus, Telmatosaurus, Tenontosaurus, Muttaburrasaurus, Genyornis, Anthropornis, Scelidosaurus, Moschops, Placerias, Scutosaurus, Carbonemys, Phiomia, Giant Camel, Sivatherium, Teleoceras, Arsinoitherium, Aepycamelus, Titanotylopus, Bramatherium, Dodo, Ornithomimus, Gallimimus, Protoceratops, Archaeopteryx, Struthiomimus, Compsognathus, Microraptor, Hypsilophodon, Bambiraptor, Rahonavis, Dromiceiomimus, Garudimimus, Pelecanimimus, Caudipteryx, Sinornithosaurus, Scansoriopteryx, Mononykus, Alvarezsaurus, Shuvuuia, Hesperornis, Anchisaurus, Mussaurus, Thecodontosaurus, Dryosaurus, Thescelosaurus, Orodromeus, Leaellynasaura, Yandusaurus, Othnielosaurus, Coelurus, Ornitholestes, Scipionyx, Sciurumimus, Ornimegalonyx, Psittacosaurus, Leptoceratops, Zuniceratops, Yinlong, Stegoceras, Prenocephale, Homalocephale, Heterodontosaurus, Lesothosaurus, Eocursor, Tianyulong, Eoraptor, Ichtyornis, Meganeura, Arthropleura, Desmatosuchus, Beelzebufo, Diplocaulus, Ichthyostega, Megaloceros, Glyptodon, Doedicurus, Macrauchenia, Eohippus, Western Horse, Camelops, Aurochs, Moa, elephant bird, great auk, Procoptodon, Meiolania, giant lemurs, Prolibytherium, Pyrenean ibex, Quagga, dwarf elephant, Archaeornithomimus, Thrinaxodon, Didelphodon, Kairuku, Bluebuck, Bush-Antlered Deer, Magyarosaurus, Nyctosaurus, Pterodaustro, Synthetoceras, Castoroides, Myotragus, Mazothairos, Pseudochampsa, Leptauchenia, Sespia, Micromeryx, Anoplotherium, Diacodexis, Agriochoerus, elk moose, shrub-ox, Tsaidamotherium, Poebrotherium, Hoplitomeryx, Ramoceros, Hexameryx, Syndyoceras, Protoceras, Shansitherium, Helladotherium, Giraffokeryx, Makapania, Mesohippus, Merychippus, Pliohippus, Menoceras, Hyracotherium, Hyracodon, Cainotherium, Merycoidodon, Eporeodon, Brachycrus, Mosasaurus, Elasmosaurus, Plesiosaurus, Kronosaurus, Liopleurodon, Tylosaurus, Pliosaurus, Dunkleosteus, Megalodon, Megapiranha, Cryptoclidus, Pannoniasaurus, Hyneria, Xiphactinus, Cladoselache, Helicoprion, Hybodus, Cretoxyrhina/ginsu shark, Rhizodus, Mawsonia, Livyatan, sea scorpion, Cameroceras, Basilosaurus, Tusoteuthis, Metriorhynchus, Ichtyosaurus, Archelon, Giant ammonite, Ophthalmosaurus, Stupendemys, Macropoma, Ceratodus, Tiktaalik, Leedsichthys, Stethacanthus, Xenacanthus, Ptychodus, Sabertooth salmon, Anomalocaris, Dickinsonia, Tamisiocaris, Aegirocassis, Steller's sea cow, Onchopristis, Batrachomimus, Bernissartia, Chinese paddlefish, Helveticosaurus, Pteranodon, Quetzalcoatlus, Teratornis, Argentavis, Osteodontornis, Pelagornis, Ornithocheirus, Tropeognathus, Cearadactylus, Tapejara, Tupandactylus, Ludodactylus, Thalassodromeus, Dsungaripterus, Oviraptor, Citipati, Chirostenotes, Microvenator, Avimimus, Protarchaeopteryx, Gigantoraptor, Incisivosaurus, Mesopithecus, Australopithecus, Pterodactylus, Sinosauropteryx, Anchiornis, Yi, Juravenator, Procompsognathus, Xiaotingia, Xiaotingia, Aurornis, Confuciusornis, Jeholornis, Patagopteryx, Rhamphorhynchus, Dimorphodon, Peteinosaurus, Preondactylus, Anurognathus, Campylognathoides, Sordes, Bavarisaurus, Homoeosaurus, Euparkeria, Diictodon, Petrolacosaurus, Platyhystrix, Westlothiana, Palaeophonus, Arthrolycosa, Rhyniognatha, Griffinfly, Burmaculex, Kalligrammatid, Titanomyrma, Archimylacris, Saurophthirus, Graeophonus, Palaeodictyopteroidea, Monura, Gerarus, Protophasma, Attercopus, Permarachne, Zdenekia, Plesiosiro, Euphoberia, Trigonotarbida, Melittosphex, Gigatitan, Daiopterix, Mesozygiella, Toxolabis, Archaeolepis, Prodryas, Baikuris, Ctenochasma, Dendrorhynchoides, Jeholopterus, Germanodactylus, Alphadon, Eomaia, Sinodelphys, Tritylodon, Morganucodon, Shenshou, Volaticotherium, Megazostrodon, Cronopio, Leonardus, Saltopus, Necrolestes, Tenerife giant rat, Horned gopher, Leithia, Leptictidium, Icaronycteris, Palaeochiropteryx, Planetetherium, Plesiadapis, Birbalomys, Onychonycteris, Palaeocastor, Pig-footed bandicoot, Eocypselus, Passenger Pigeon, Wukongopterus, Kuehneosaurus, Longisquama, Sharovipteryx, Scleromochlus, Saint Helena earwig, Microceratus, Kaua'i 'o'o, Trilobite, Ammonite, Triadobatrachus, Karaurus, Eocaecilia, Urocordylus, Cacops, Eusthenopteron, Lepidotes, Leptolepis, Palaeoniscum, Cheirolepis, Acanthodes, Bothriolepis, Coccosteus, Cephalaspis, Pteraspis, Haikouichthys, Tullimonstrum, tiny sea scorpion, Belemnites, Orthoceras, Thrissops, Pikaia, Furcacauda, Bothriolepis, Gogonasus, Haikouichthys, Astraspis, Zenaspis, Hallucigenia, Marrella, Opabinia, Canadaspis, Psarolepis, Amphistium, Pholidophorus, Armigatus, Falcatus, Gyracanthus, Perleidus, Dipterus, Strunius, Acanthostega, Clamorosaurus, Rudist, Wapita, Kayentachelys, Palaeobatrachus, Mioproteus, Rabbs’ fringe-limbed treefrog, golden toad, Belemnotheutis.
In additon, there are (optionally) the following animal man and werecreature variants: