hypogean

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hy·po·ge·al

 (hī′pə-jē′əl) also hy·po·ge·an (-ən) or hy·po·ge·ous (-əs)
adj.
1. Living or occurring under the earth's surface.
2. Botany Of or relating to seed germination in which the cotyledons remain below the surface of the ground.

[From Latin hypogēus, from Greek hupogeios : hupo-, hypo- + , earth.]

hy′po·ge′al·ly adv.

hypogean

or

hypogaean

adj
being, living or growing underground or below the earth's surface
ThesaurusAntonymsRelated WordsSynonymsLegend:

hypogean

adjective
Located or operating beneath the earth's surface:
References in periodicals archive ?
Diagnosis (from Kaderka 2015): Bistriopelma differs from all other theraphosid genera, except the genus Phrixotrichus Simon 1889 (sensu Perafan & Perez-Miles 2014a) and the troglobite species Tmesiphantes hypogeus Bertani, Bichuette & Pedroso 2013 by having two abdominal dorsolateral patches of the type III urticating setae, each with a stripe of long pale to reddish-brown thicker setae, arranged diagonally to the longitudinal body axis.
The troglobite (obligate cave inhabitant) Phanetta subterranea is nearly ubiquitous in Indiana caves and Porrhomma cavernicola is equally widespread, but more sporadic in occurrence.
The species seems to be a troglobite which lives in the MSS and the adjacent caves, it was not found in surrounding epigeic environments.
Animals occurring in these nutrient-starved ecosystems have strange names such as "troglobite," "stygobite," "trogloxene" and "troglophile." Troglobites and stygobites are cave-adapted (troglomorphic) animals [6].
The chronicles of speleological exploration -- leading the Princess of Thailand through Tham Lod, and BBC film crews in search of troglobite fish -- made me want to set out for subterranean adventures myself.
recurvata was the first aquatic troglobite to return to the Cedars after organic pollution (Culver et al., 1992).
This new taxon differed from known species, except the genus Phrixotrichus Simon 1889 (sensu Perafan & Perez-Miles 2014) and the troglobite species Tmesiphantes hypogeus Bertani, Bichuette & Pedroso 2013, in the presence of two abdominal dorsolateral patches of the type III urticating setae.
Three of these species were transferred to Troglochernes, a genus originally named for a peculiar troglobite, T.
- According to Barr (1963), cave-dwelling organisms are generally separated into four categories: (1) Troglobite (obligate cavernicole, usually specialized in various ways); (2) Troglophile (facultative cavernicole able to complete entire life cycle within caves, but can also be found in other similar habitats); (3) Trogloxene (habitually inhabit caves or other similar habitats but must return to the surface or near the cave entrance for food), or (4) Accidental (accidental entrants into caves surviving for a "relatively" short time).
Keywords: Pseudoscorpions, Mexico, Cuba, taxonomy, morphology, new species, biospeleology, troglobite