Ireland - Animals in the Habitats and the Fossil sites, and Biodiversity
Classified animal picture guide. Highlighting the link 
of species shows the images, and clicking the link shows Evolutionary Tree.
of species shows the images, and clicking the link shows Evolutionary Tree.The following fossils from the geologic age to the prehistorical age are excavated in Ireland. The explanation in brackets is the ages they lived in extinct species. Note that Mya is million years ago. For example, "48.6～40.4 Mya" shows a range between 48.6 and 40.4 million years ago. The time range is shown in the Geological Time Table. The followings are a part of the Evolutionary Tree.
| Ireland prehistoric age | ||||
| Ireland extinct species Paleozoic |
 | Primtive tetrapod |
Megalocephalus (318～299 Mya) | |
 | Coelacanth |
Diplocercides (397～359 Mya) | ||
 | Trilobite |
Ceraurinella (468.1～445.6 Mya),
Sphaerocoryphe (468.1～422.9 Mya; Great Dying①),
Sphaerexochus (468.1～418.7 Mya; Great Dying①),
Hadromeros (460.9～425.4 Mya) | ||
 | Sea scorpion |
Hibbertopterus (318～251 Mya) | ||
| Primitive cephalopod |
Cyrtoceras (460.5～345.3 Mya; Great Dying①②) | ||
 | Ammonite |
Goniatites (409.1～332.9 Mya) | ||
| Ireland extinct species Cenozoic |
 | Even-toed ungulate |
Megaloceros giganteus (0.126～0.01 Mya; ３．６５m) | |
Ireland is an island country located in the British Isles of Atlantic Ocean. The northern part of the island is a territory of United Kingdom. The following shows the distribution of animals in Ireland.
| Ireland | ||||
| Ireland regionally extinct in historic age |
 | Carnivora |
Gray Wolf | |
| Ireland extant species |
 | Rodent |
Eurasian Red Squirrel | |
 | Rabbit |
Mountain Hare | ||
 | Hedgehog |
West European Hedgehog | ||
| Even-toed ungulate |
European red deer,
Sika Deer,
Fallow Deer,
Wild goat | ||
| Carnivora |
Red Fox,
European otter,
European Pine Marten,
Eurasian Badger,
Short-tailed weasel,
American Mink | ||
 | Goose |
White-fronted Goose,
Taiga Bean-Goose,
Pink-footed Goose,
Greylag Goose,
Brent Goose,
Barnacle Goose,
Canada Goose,
Red-breasted Goose | ||
 | Swan |
Mute swan,
Whooper swan,
Tundra swan | ||
 | Flamingo |
American Flamingo | ||
 | bird (CR) |
Balearic Shearwater | ||
| Ireland marine extant species |
 | Marine mammal |
Walrus (Massive migration),
Common Seal,
Grey Seal | |
 | Puffin |
Atlantic Puffin | ||
 | Albatross |
Black-footed Albatross | ||
 | Shark |
Basking shark,
Shortfin mako,
Porbeagle shark | ||
 | Tuna |
Northern bluefin tuna | ||