''Ingenia'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of marine

nematode The nematodes ( or ; ; ), roundworms or eelworms constitute the phylum Nematoda. Species in the phylum inhabit a broad range of environments. Most species are free-living, feeding on microorganisms, but many are parasitic. Parasitic worms (h ...

worms native to

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

, with a single known species, ''I. mirabilis''.Gerlach, S. A. (1957). Die Nematodenfauna des Sandstrandes an der Küste von Mittelbrasilien (Brasilianische Meerse-Nematoden IV). ''Mitt. zool. Mus. Berl.'' 33 (2): 411-459.Class Enoplea.
Nemaplex: Nematode-Plant Expert Information System. University of California, Davis. Version October 9, 2012.
Nematode Classification. Department of Nematology. University of California, Riverside. It belongs to the Tripyloididae, which is a group that are mostly free-livingBik, H. M., et al. (2010)
Moving towards a complete molecular framework of the Nematoda: a focus on the Enoplida and early-branching clades.
''BMC Evol Biol.'' 10: 353. and which feed on

diatom A diatom (Neo-Latin ''diatoma'') is any member of a large group comprising several Genus, genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of Earth's B ...

s and other

algae Algae ( , ; : alga ) is an informal term for any organisms of a large and diverse group of photosynthesis, photosynthetic organisms that are not plants, and includes species from multiple distinct clades. Such organisms range from unicellular ...

References

Enoplea genera Monotypic nematode genera {{Enoplea-stub