Ptychogastriidae is a family of
cnidarians belonging to the order
Trachymedusae
Trachymedusae belong to the phylum Cnidaria and the class Hydrozoa, among the 30 genera are 5 families containing around 50 species in all, the family Rhopalonematidae has the greatest diversity.
Description
Trachymedusae are identifiable by the ...
.
Genera:
* ''
Glaciambulata''
Galea, 2016
* ''
Ptychogastria''
Allman, 1878
* ''
Tesserogastria''
Beyer, 1958
References
Trachymedusae
Cnidarian families
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