Filospermoidea
Filospermoidea is an order within the phylum Gnathostomulida.[1][2][3] Filospermoids are generally longer than gnathostomulids in the order Bursovaginoidea, and have an elongate rostrum.[4] It lives in North America, off the coasts of the southern United States and the Caribbean, primarily in the Gulf of Mexico, as well as in southeastern Denmark.[5]
| Filospermoidea | |
|---|---|
| Scientific classification  | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Gnathostomulida | 
| Order: | Filospermoidea | 
| Families | |
| 
 Also see text  | |
Classification
    
The order Filospermoidea contains 29 species in 2 families and 3 genera.[6]
- Family Haplognathiidae
- Genus Haplognathia
- Haplognathia asymmetrica
 - Haplognathia belizensis
 - Haplognathia filum (sometimes in Pterognathia)
 - Haplognathia gubbarnorum (sometimes in Pterognathia)
 - Haplognathia lunulifera (sometimes in Pterognathia)
 - Haplognathia rosea (sometimes in Pterognathia)
 - Haplognathia ruberrima (sometimes in Pterognathia)
 - Haplognathia rubromaculata (sometimes in Pterognathia)
 - Haplognathia rufa
 - Haplognathia simplex (sometimes in Pterognathia)
 
 
 - Genus Haplognathia
 - Family Pterognathiidae
- Genus Cosmognathia
- Cosmognathia aquila
 - Cosmognathia arcus
 - Cosmognathia bastillae
 - Cosmognathia manubrium
 
 - Genus Pterognathia
- Pterognathia alcicornis
 - Pterognathia atrox
 - Pterognathia crocodilus
 - Pterognathia ctenifera
 - Pterognathia hawaiiensis
 - Pterognathia grandis
 - Pterognathia meixneri
 - Pterognathia portobello
 - Pterognathia pygmaea
 - Pterognathia sica
 - Pterognathia sorex
 - Pterognathia swedmarki
 - Pterognathia tuatara
 - Pterognathia ugera
 - Pterognathia vilii
 
 
 - Genus Cosmognathia
 
References
    
- Adiyodi, K. G.; Adiyodi, Rita G (1988). Reproductive Biology of Invertebrates, Accessory Sex Glands (reprint ed.). John Wiley & Sons. pp. 61, 64. ISBN 0471914665. Retrieved 29 November 2018.
 - Giese, Arthur C.; Pearse, John S. (September 17, 2013). Acoelomate and Pseudocoelomate Metazoans (revised ed.). Elsevier. pp. 345–352. ISBN 978-1483260556. Retrieved 29 November 2018.
 - Ax, Peter (December 6, 2012). Multicellular Animals: A new Approach to the Phylogenetic Order in Nature (illustrated ed.). Springer Science & Business Medi. pp. 133–136. ISBN 978-3642801143. Retrieved 30 November 2018.
 - Barnes, R.F.K. (2001). The Invertebrates: A Synthesis. Oxford: Blackwell Science.
 - "Distribution Map: Filospermoidea". Ocean Biogeographic Information System. Retrieved 29 November 2018.
 - Sterrer, W. (2006). "Filospermoidea". World Register of Marine Species. Retrieved 27 January 2018.
 
 Data related to Filospermoidea at Wikispecies
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