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Halicryptus

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(Redirected from Halicryptomorphida) Genus of priapulid worms

Halicryptus
Halicryptus spinulosus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Priapulida
Class: Halicryptomorpha
Order: Halicryptomorphida
Family: Halicryptidae
Genus: Halicryptus
von Siebold, 1849

Halicryptus is the sole genus of its class of priapulid worms, and has an important effect on the structure of soft-sediment communities.

This genus contains the following species:


Halicryptus spinulosus exhibits a wide distribution around the Arctic Ocean and can reach lengths of 4 cm as adults, while the distribution of Halicryptus higginsi appears to be restricted to the Beaufort Sea near Point Barrow, and can grow to about 40 cm, the largest known priapulids, even if 20 cm long adults are more common.


Halicryptus spinulosus

Halicryptus spinulosus is a species of priapulid worm found in marine environments. It is a macrobenthic priapulid living in disjunct subarctic brackish seas, including the White Sea, waters off Iceland, northern Siberia and Alaska, and in an outlying range in the Baltic Sea. Known for its distinctive spiny appearance, this worm plays a role in the benthic ecosystem, often inhabiting sandy or muddy substrates. Like other priapulids, it has a relatively simple body structure and is considered a predator, feeding on small invertebrates. Its presence provides insights into the evolutionary history and ecological roles of priapulids, linking modern forms to ancient lineages.

See also

  • Lemburg, C. (1995). "Ultrastructure of the introvert and associated structures of the larvae of Halicryptus spinulosus (Priapulida)". Zoomorphology. 115: 11–29. doi:10.1007/BF00397931. S2CID 42437901.

References

  1. Shirley, T. C.; Storch, V. (1999). "Halicryptus higginsi n.sp. (Priapulida): A Giant New Species from Barrow, Alaska". Invertebrate Biology. 118 (4): 404–413. doi:10.2307/3227009. JSTOR 3227009.
  2. Aarnio, K.; Bonsdorff, E.; Norkko, A. (1998). "Role of Halicryptus spinulosus (Priapulida) in structuring meiofauna and settling macrofauna". Marine Ecology Progress Series. 163: 145–153. Bibcode:1998MEPS..163..145A. doi:10.3354/meps163145.
  3. David versus Goliath: An interspecific comparison between small-sized Halicryptus spinulosus and large-sized Halicryptus higginsi (Priapulida)
  4. van der Land, Jaap (1 January 1970). "Systematics, zoogeography, and ecology of the Priapulida". Zoologische Verhandelingen. 112 (1): 1–118.
  5. Janssen, Ralf; Wennberg, Sofia A; Budd, Graham E (2009). "The hatching larva of the priapulid worm Halicryptus spinulosus". Frontiers in Zoology. 6 (1): 8. doi:10.1186/1742-9994-6-8. PMC 2693540.

External links

"Halicryptus". Integrated Taxonomic Information System.

Taxon identifiers
Halicryptus


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