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
Kingdom:
Animalia
Superphylum:
Platyzoa
Phylum:
Gnathostomulida
Class:
Incertae sedis
Order:
Filospermoidea
Families
  • Haplognathiidae
  • Pterognathiidae

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)
  • 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 1483260550. 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 3642801145. 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.


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