Order Thecosomata Blainville, 1824
Synonyms
Pterobranchia: part Gray, 1821: 235
Dactyliobranchia: Gray, 1821: 235
Thecosomata: Blainville, 1824: 271
Pteropoda: (part) Blainville, 1825: 493
Hyalea: Rang, 1829: 112
Hyalaeacea: Menke, 1830: 8
Eupteropoda: part Boas, 1886: 14
Common names
Shelled Sea Butterfly