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Number of Known Species in the World

Number of Known Species in the World
Category Species Totals
Vertebrate Animals
Mammals 5,490
Birds 9,998
Reptiles 9,084
Amphibians 6,433
Fishes 31,300
Total Vertebrates 62,305
Invertebrate Animals
Insects 1,000,000
Spiders and scorpions 102,248
Molluscs 85,000
Crustaceans 47,000
Corals 2,175
Others 68,827
Total Invertebrates 1,305,250
Flowering plants (angiosperms) 281,821
Conifers (gymnosperms) 1,021
Ferns and horsetails 12,000
Mosses 16,236
Red and green algae 10,134
Total Plants 321,212
Lichens 17,000
Mushrooms 31,496
Brown algae 3,067
Total Others 51,563

total number of species statistics

Statistic Verification
Source: World Conservation Union<
Research Date: March 26th, 2015

Questions: How many known species currently exist in the world? How many different species are in the vertebrate group? How many kinds of fishes are there? How many types of plants are in the world? What is the total number of insects on the earth? What is the total number of species on the earth?