Animal phyla

The animal kingdom is structured in 34 phyla. The numbers indicate:
presence in add_my_pet (0 for false or 1 for true)
estimated number of extant species in each phylum

1 Parazoa, 5 - 10 k
1 Porifera, 5 - 10 k
0 Placozoa, 1
1 Radiata, >10 k
1 Ctenophora, 100 - 150
1 Cnidaria, >10 k
1 Bilateria, 370
1 Xenacoelomorpha, 350
0 Orthonectida, 20
.
1 Platyzoa, 24 k
1 Platyhelminthes, 20 k
1 Gastrotricha, 790
1 Rotifera, 2200
1 Acanthocephala, 1150
0 Gnathostomulida, 100
0 Micrognathozoa, 1
0 Cycliophora, 3
1 Lophotrochozoa, 113 k
0 Rhombozoa, 112
0 Entoprocta, 150
1 Bryozoa, >4 k
1 Brachiopoda, 330
1 Phoronida, 10
0 Nemertea, 1150
1 Annelida, 22 k
0 Sipuncula, 300
1 Mollusca, 85 k
1 Ecdysozoa, >1030 k
1 Chaetognatha, 120
0 Kinorhyncha, 180
0 Loricifera, 120
0 Priapulida, 16
1 Nematoda, 28 k
0 Nematomorpha, 2 k
0 Onychophora, 180
1 Tardigrada, 1150
1 Arthropoda, >1000 k
1 Deuterostomia, >67 k
1 Echinodermata, 7 k
0 Hemichordata, 120
1 Chordata, >60 k

Metabolic acceleration developed (or was supressed) several times in animal evolution. The font colours refer to the values of acceleration factor sM; black, i.e. value 1, means no acceleration. Models of types a and h deal with this acceleration.

Classification

A modern overview of the classification of organisms found in the collection can be accessed here.