Table 1 in Catálogo Taxonômico da Fauna do Brasil: Setting the baseline knowledge on the animal diversity in Brazil

Table 1. Number of known valid nominal species in Brazil according to the Catálogo Taxonômico da Fauna do Brasil (CTFB) followed by the approximate percentage of increase (+) or decrease (–) from the estimations of Lewinsohn and Prado (2015) (third column), and estimated known number of species in the world by Chapman (2009). TaxonCTFB (until January 1 st, 2024)Brazil (Lewinsohn and Prado 2005)World (Chapman 2009)Acanthocephala71 (+42%)30–501,150Acoelomorpha33––Annelida1,833 (+67%)1,000–1,10017,763Arthropoda102,931 (-13%)88,790–118,2901,141,139Brachiopoda3 (-25%)4~350Bryozoa520 (+83%)284–Chaetognatha25 (+39%)18~70Chordata9,617 (+34%)7,120–7,15064,788Cnidaria831(+76%)4709,795Ctenophora14 (+600%)2~100Echinodermata348 (+6%)3297,003Echiura7 (-22%)9~140Entoprocta17 (+70%)10~150Gastrotricha87 (+26%)69~400Kinorhyncha5 (+400%)1~150Loricifera10~100Mollusca3,567 (+19%)2,400–3,000~85,000Nematoda1,447 (-50%)1,280–2,880Up to 25,000Nematomorpha16 (+33%)12~240Nemertea39 (-0.9%)43~900Onychophora23 (+475%)4165Pentastomida17–~130Phoronida4 (+100%)216Placozoa101Platyhelminthes2,292 (-0.3%)1,040–2,30020,000Porifera628 (+57%)300–400~6,000Priapulida1117Rotifera606 (+33%)457~2,000Sipuncula39 (+30%)30–Tardigrada95 (+42%)67~750Total125,138