Pycnoclavella
Pycnoclavella is een geslacht van zakpijpen uit de familie van de Clavelinidae.

Soorten 
 Pycnoclavella arenosa (Kott, 1972)
 Pycnoclavella atlantica Pérez-Portela, Duran & Turon, 2007
 Pycnoclavella aurantia Kott, 1990
 Pycnoclavella aurilucens Garstang, 1891
 Pycnoclavella belizeana Goodbody, 1996
 Pycnoclavella brava Pérez-Portela, Duran & Turon, 2007
 Pycnoclavella communis Pérez-Portela, Duran & Turon, 2007
 Pycnoclavella detorta (Sluiter, 1904)
 Pycnoclavella diminuta (Kott, 1957)
 Pycnoclavella elongata Kott, 1990
 Pycnoclavella filamentosa Kott, 2005
 Pycnoclavella flava (Monniot F., 1988)
 Pycnoclavella inflorescens Kott, 2005
 Pycnoclavella kottae Millar, 1960
 Pycnoclavella martae Perez-Portela & Turon, 2008
 Pycnoclavella minuta Millar, 1953
 Pycnoclavella nana (Lahille, 1890)
 Pycnoclavella narcissus Kott, 2005
 Pycnoclavella neapolitana (Julin, 1904)
 Pycnoclavella producta (Milne Edwards, 1841)
 Pycnoclavella stanleyi Berrill & Abbott, 1949
 Pycnoclavella stolonialis Pérez-Portela R., Goodwin C.E., Picton B.E. & Turon X., 2010
 Pycnoclavella tabella Kott, 1990
 Pycnoclavella taureanensis Brunetti, 1991

Clavelinidae