【长矛藻属】
长矛藻属（学名：Actinella）为短缝藻科的一个属。
==下属物种==
本属包括以下物种：
* 非洲长矛藻 Actinella africana Woodhead & Tweed, 1957
* Actinella amazoniana J.P.Kociolek, 2001
* Actinella amazonica Kociolek
* Actinella aotearoaia R.L.Lowe, B.J.F.Biggs & S.Francoeur, 2001
* Actinella astriata Metzeltin & Lange Bertalot, 2007
* Actinella australis (Manguin) Kociolek, Rhode & Williams, 1997
* Actinella bourrellyi J.P.Kociolek & K.Rhode, 1998
* 巴西长矛藻 Actinella brasiliensis Grunow, 1881
* Actinella cholnokii Woodhead & Tweed, 1957
* Actinella comperei K.Sabbe, K.Vanhoutte & W.Vyverman, 2000
* Actinella crawfordii J.P.Kociolek, 2001
* Actinella curvatula J.P.Kociolek, 2001
* Actinella digitus D.Metzeltin & Lange-Bertalot, 2007
* Actinella disjuncta D.Metzeltin & Lange-Bertalot, 2007
* Actinella eunotioides Hustedt, 1952
* Actinella fontellii Woodhead & Tweed, 1957
* Actinella fourtanierae D.Metzeltin & Lange-Bertalot, 2007
* Actinella fuseyi Schoeman, 1982
* Actinella gessneri Hustedt, 1965
* Actinella giluwensis K.Sabbe & W.Vyverman, 2001
* Actinella giraffensis P.A.Siver, A.P.Wolfe & M.B.Edlund, 2010
* Actinella goodwinii Siver, Bishop, Wolfe & Lott, 2017
* Actinella gracilis J.P.Kociolek, 2001
* Actinella guianensis Grunow, 1881
* Actinella guianensoides Metzeltin & Lange-Bertalot, 2003
* Actinella hawaiiensis H.Ripple & J.P.Kociolek, 2013
* Actinella hermes-moreirae Ruwer, Ludwig & Rodrigues, 2019
* Actinella hickeyi Siver, Bishop, Wolfe & Lott, 2017
* Actinella hustedtii J.P.Kociolek, 2001
* Actinella indistincta W.Vyverman & E.A.Bergey, 2001
* Actinella karelica Mölder, 1951
* Actinella kimberlitica Siver, Bishop, Wolfe & Lott, 2015
* Actinella kociolekii D.Metzeltin & Lange-Bertalot, 2007
* Actinella lange-bertalotii J.P.Kociolek, 2001
* Actinella leontopithecus-rosalia J.C.F.Costa, 1995
* Actinella lima J.P.Kociolek, 2001
* Actinella lyonae D.Metzeltin & H.Lange-Bertalot, 2007
* Actinella lyoniae D.Metzeltin & Lange-Bertalot, 2007
* Actinella mangini Kociolek, R.Rhode & D.M.Willians
* Actinella manguinii Kociolek, Rhode & Williams, 1997
* Actinella medlinae D.Metzeltin & H.Lange-Bertalot, 2007
* Actinella medliniae D.Metzeltin & Lange-Bertalot, 2007
* 中新长矛藻 Actinella miocenica J.Y.Li, 1988
* Actinella mirabilis Grunow, 1881
* Actinella modesta Gerd Moser, Lange-Bertalot & D.Metzeltin, 1998
* Actinella molokaiensis H.Ripple & J.P.Kociolek, 2013
* Actinella muylaertii K.Sabbe & W.Vyverman, 2001
* Actinella pararobusta D.Metzeltin & Lange-Bertalot, 1998
* Actinella parva K.Vanhoutte & K.Sabbe, 2001
* Actinella penzhica E.G.Lupikina & L.M.Dolmatova, 1984
* Actinella pereunotioides D.Metzeltin & Lange-Bertalot, 2007
* Actinella peronioides Hustedt, 1952
* Actinella pliocenica Héribaud & M.Peragallo
* Actinella pseudohantzschia D.Metzeltin & Lange-Bertalot, 1998
* Actinella pulchella K.Sabbe & D.Hodgson, 2001
* Actinella punctata F.W.Lewis, 1864
* Actinella reviersii Kociolek & Rhode, 1998
* Actinella rionegrensis D.Metzeltin & Lange-Bertalot, 2007
* Actinella robusta Fusey, 1964
* Actinella robusta Hustedt, 1952
* Actinella sabbei D.Metzeltin & Lange-Bertalot, 2007
* Actinella scala Brun, 1896
* Actinella siolii Hustedt, 1965
* Actinella spathulifera Woodhead & Tweed, 1957
* Actinella spauldingae D.Metzeltin & H.Lange-Bertalot, 2007
* Actinella spauldingiae D.Metzeltin & Lange-Bertalot, 2007
* Actinella subperonioides D.Metzeltin & Lange-Bertalot, 2007
* Actinella superperonioides D.Metzeltin & Lange-Bertalot, 2007
* Actinella tasmaniensis Hustedt, 1952
* Actinella thelma D.Metzeltin & H.Lange-Bertalot, 2007
* Actinella thelmae D.Metzeltin & H-Lange-Bertalot, 2007
* Actinella undulata Fusey, 1964
==参考文献==