title: Japonactaeon
text: # Japonactaeon
  
  Japonactaeon is a genus of small predatory sea snails, marine gastropod molluscs in the family Acteonidae, the barrel bubble snails.
  
  ## Species
  
  Species within the genus Japonactaeon include:
  
  * Japonactaeon longissimus Valdés, 2008
  * Japonactaeon nipponensis (Yamakawa, 1911) (synonym: Acteon nipponensis Yamakawa, 1911)
     * Distribution : Japan, Korea
     * Length : 10 mm
  * Japonactaeon punctostriatus (C. B. Adams, 1840)
  * Japonactaeon pusillus (MacGillivray, 1843)
     * Distribution : Florida, Japan, Mediterranean
     * Length : 11 mm
     * Description : found at depths of 200 to 820 m
  * Japonactaeon sieboldii (Reeve, 1842)
     * Distribution : Japan, Coral Sea, Philippines
     * Length : 10 mm
     * Description: found on sandy bottoms; whitish shell; first whorl with lighbrown color bordered with darker brown bands.
  
  ### Species brought into synonymy
  
  * Japonactaeon suturalis (A. Adams, 1855); synonym of Pupa suturalis (A. Adams, 1855)
  