# Species tree for RF03853
# Generated from Rfam version 15.00
   |
   +--Eukaryota (5)
      |
      +--Metazoa (5)
         |
         +--Echinodermata (2)
         |  |
         |  +--Eleutherozoa (2)
         |     |
         |     +--Echinozoa (2)
         |        |
         |        +--Echinoidea (2)
         |           |
         |           +--Euechinoidea (2)
         |              |
         |              +--Echinacea (2)
         |                 |
         |                 +--Echinoida (2)
         |                    |
         |                    +--Strongylocentrotidae (2)
         |                       |
         |                       +--Strongylocentrotus purpuratus (2)
         |
         +--Chordata (3)
            |
            +--Cephalochordata (3)
               |
               +--Branchiostomidae (3)
                  |
                  +--Branchiostoma floridae (Florida lancelet) (1)
                  |
                  +--Branchiostoma lanceolatum (amphioxus) (1)
                  |
                  +--Branchiostoma belcheri (Belcher's lancelet) (1)