
Belongs within: Choreotrichida.
The Strombidinopsidae are a family of oligotrich ciliates with diciliated somatic dikinetids extending between the adoral zone of membranelles and the posterior cell end (Agatha & Strüder-Kypke 2007).
<==Strombidinopsidae [Strombidinopsina]AS-K07
|--Parastrombidinopsis Kim et al. 2005AS-K07
| `--P. shimi Kim et al. 2005AS-K07
`--Strombidinopsis Kent 1881AS-K07
|--S. acuminata Fauré-Fremiet 1924AS-K07
|--S. azerbaijanica Alekperov & Asadullayeva 1997AS-K07
|--S. batos Lynn et al. 1991AS-K07
|--S. cercionis Lynn et al. 1991AS-K07
|--S. cheshiriAS-K07
|--S. chilorhax Lynn et al. 1991AS-K07
|--S. elegans Song & Bradbury 1998AS-K07
|--S. elongata Song & Bradbury 1998AS-K07
|--S. grandis Xu & Bai 1998AS-K07
|--S. jeokjo Jeong et al. 2004AS-K07
|--S. minima (Gruber 1884)AS-K07
|--S. multiauris Montagnes & Taylor 1994AS-K07
|--S. sphaira Lynn et al. 1991AS-K07
`--S. spinifera (Leegaard 1915)AS-K07
*Type species of generic name indicated
References
[AS-K07] Agatha, S., & M. C. Strüder-Kypke. 2007. Phylogeny of the order Choreotrichida (Ciliophora, Spirotricha, Oligotrichea) as inferred from morphology, ultrastructure, ontogenesis, and SSrRNA genes sequences. European Journal of Protistology 43 (1): 37–63.