1a. Solitary or colonial; body undivided or divided into two or three regions; branchial sac without folds; gonads unpaired, in or below gut loop; common sperm duct, and usually oviduct, accompanying rectum.
Order Enterogona
Step 3. 2
1b. Solitary or colonial; body undivided; branchial sac with or without folds; gonads lateral in mantle wall; no common sperm duct or oviduct accompanying rectum.
Order Pleurogona
Suborder: Stolidobranchia
Step 19. 18
34 possible taxa remaining show common names
- Aplidium glabrum
- Ascidia conchilega
- Ascidia mentula
- Ascidia obliqua
- Ascidia prunum
- Ascidia virginea
- Ascidiella aspersa
- Ascidiella scabra
- Boltenia echinata
- Botrylloides leachi
- Botryllus schlosseri
- Ciona intestinalis
- Clavelina lepadiformis
- Cnemidocarpa mollis
- Corella parallelogramma
- Dendrodoa grossularia
- Didemnum maculosum
- Diplosoma listerianum
- Distaplia rosea
- Eugyra arenosa
- Microcosmus claudicans
- Molgula citrina
- Molgula complanata
- Molgula manhattensis
- Molgula oculata
- Pelonaia corrugata
- Polycarpa fibrosa
- Polycarpa pomaria
- Polyclinum aurantium
- Sidnyum elegans
- Sidnyum turbinatum
- Styela clava
- Styela coriacea
- Synoicum pulmonaria
Decision path