Taxonomy
Protula
Synonyms
Ehlerprotula Uchida, 1978 • Longitubus Howell, 1943 †
Membranopsis Bush, 1910
• Paraprotula Uchida, 1978
• Peotula Sun, 1998
• Protulopsis Saint-Joseph, 1894
• Psygmobranchus Philippi, 1844
• Salmacinopsis Bush, 1910
• Spiramella Blainville, 1828
