Spadella
Spadella cephaloptera
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chaetognatha
Class:	Sagittoidea
Order:	Phragmophora
Family:	Spadellidae
Genus:	Spadella Langerhans, 1880

Spadella is a genus of chaetognaths belonging to the family Spadellidae.^[1]

The species of this genus are found in Europe, Northern America, Pacific Ocean.^[1]

The genus contains 18 species:^[1]

• Spadella angulata Tokioka, 1951
• Spadella antarctica Casanova, 1991
• Spadella birostrata Casanova, 1987
• Spadella boucheri Casanova & Perez, 2000
• Spadella bradshawi Bieri, 1974
• Spadella cephaloptera (Busch, 1851)
• Spadella duverti Hernandez, De Vera & Casanova, 2009
• Spadella equidentata Casanova, 1987
• Spadella gaetanoi Alvariño, 1978
• Spadella interstitialis Kapp & Giere, 2005
• Spadella japonica Casanova, 1993
• Spadella kappae Schmidt-Rhaesa & Vieler, 2020
• Spadella lainezi Casanova, Hernández & Jiménez, 2006
• Spadella ledoyeri Casanova, 1986
• Spadella moretonensis Johnson & Taylor, 1920
• Spadella nunezi Casanova & Moreau, 2004
• Spadella valsalinae Winkelmann, Gasmi, Gretschel, Müller & Perez, 2012
• Spadella xcalakensis Tovar & Suárez-Morales, 2007