Shell Family of Taiwan
Pyramidellidae 塔螺科contain141 species in Taiwan,show46 - 60
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Pyramidellidae 塔螺科Shell slender conic to ovate, often with fold(s) on columella. Protoconch heterostrophic. Operculum horny, paucispiral. Head bears a tongue-like mentum. Secondary gill present right to dorsal ciliated strip in pallial cavity, or lacking at all. Proboscis acrembolic. No radula present. Anterior alimentary canal with a stylet and buccal pump(s) which are usually blind-sac like. Simultaneous hermaphroditic, with a common gonoduct. Ectoparasites sucking body fluids of mollusks, annelids, sipunclids, etc.
Senitfic Name
Chinese Name
omenclator
photo
 Marginodostomia hilgendorfi   (Clessin, 1900)  
 Megastomia clara   (Nomura, 1936)  
 Megastomia interolineata   (Nomura, 1936)  
 Megastomia mikiyamai   (Nomura, 1937)  
 Megastomia sagamiana   (Nomura, 1937)  
 Megastomia yabehisakatui   Nomura, 1936  
 Menesho kesennumensis   Nomura, 1938  
 Milda ventricosa   Guerin, 1830  
 Miralda attentissima   (Nomura, 1936)  
 Miralda gemma   (A. Adams, 1861)  
 Miralda scopulorum   (Watson, 1886)  
 Monotygma amoena   (A. Adams, 1853)  
 Mormula philippiana   (Dunker, 1860)  
 Mormula terebra   (A. Adams)  
 Mumiola spirata   (A. Adams, 1853)