What is the largest phylum?

Question

What is the largest phylum?

Answer 1

Arthropoda

Answer 2

The Arthropods are the largest phylum

of free living animals, including millions of species.

Insecta is the largest division of invertabrates

so it would make sense that the phylum

with the largest division would be the largest phylum.

Phylum: Arthropoda

Latreille, 1829

Subphyla and Classes

    * Subphylum Trilobitomorpha

          o Trilobita — trilobites (extinct)

    * Subphylum Chelicerata

          o Arachnida — spiders,scorpions, etc.

          o Xiphosura — horseshoe crabs, etc.

          o Pycnogonida — sea spiders

          o Eurypterida — sea scorpions (extinct)

    * Subphylum Myriapoda

          o Chilopoda — centipedes

          o Diplopoda — millipedes

          o Pauropoda

          o Symphyla

    * Subphylum Hexapoda

          o Insecta — insects

          o Entognatha

    * Subphylum Crustacea

          o Branchiopoda – brine shrimp etc.

          o Remipedia

          o Cephalocarida – horseshoe shrimp

          o Maxillopoda — barnacles, fish lice, etc.

          o Ostracoda – seed shrimp

          o Malacostraca — lobsters, crabs, shrimp, etc.