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Filospermoidea
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Gnathostomulida
Order:	Filospermoidea
Families
Haplognathiidae Pterognathiidae Also see text

Filospermoidea is an order within the phylum Gnathostomulida. Filospermoids are generally longer than gnathostomulids in the order Bursovaginoidea, and have an elongate rostrum. 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.

Classification

The order Filospermoidea contains 29 species in 2 families and 3 genera.

• 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)
• 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

References

1. 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.
2. 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.
3. 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.
4. Barnes, R.F.K. (2001). The Invertebrates: A Synthesis. Oxford: Blackwell Science.
5. "Distribution Map: Filospermoidea". Ocean Biogeographic Information System. Retrieved 29 November 2018.
6. Sterrer, W. (2006). "Filospermoidea". World Register of Marine Species. Retrieved 27 January 2018.

Data related to Filospermoidea at Wikispecies

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