Eophasma jurasicum

Eophasma jurasicum	Contents	Rev: 11/25/2022
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Eophasma Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Eophasmidae Menu	Feeding	References
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Classification:

Chromadorea
Chromadoria
Desmoscolecida
Desmoscolecina: Superfamily Desnoscolecoidea
Eophasmidae
Eophasma jurasicum Arduini, Pinna & Terruzi, 1983

Type species of the genus Eophasma Arduini, Pinna & Terruzi, 1983

A fossil free-living marine nematode

    Synonyms:

Morphology and Anatomy:

Elongate body
Coarsely annulated cuticle
Short somatic setae
Head truncate
Buccal cavity may have teeth
Single monotypic species: Eophasma jurasicum Arduini, Pinna & Terruzi, 1983 which is a fossil marine detritivore preserved in a Jurassic deposit in Italy The nematode is exceptionally large, 35-55mm long and 1.2-2 mm diam. (Poinar et al., 2011).

Ref: Decraemer and Rho, 2013.

Females:

Males:

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

Distribution:

Reported as a fossil from the Mesozoic (Arduini et al., 1983; Poinar, 2011)

Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click	If species level data are not available, click for genus level parameters

Ecosystem Functions and Services :

Ardini, P., Pinna, G., Terruzi, G. 1983. Eophasma jurasicum n.g. n.sp., a new fossil nematode os tyhe Sinemurian of Osteno in Lombardy. Atti. della Soc. Ital. Sci. Natural. e del Museo Civico di Storia Natural di Milano 124:61-64.

Decraemer, W. and Rho, H.S. 2013. Order Desmosdcolecida. Handbook of Zoology Gastrocticha, Cycloneuralia, Gnatifera. Volume 2: Nematoda

Poinar, G.O. 2011. The Evolutionary History of Nematodes as Revealed in Stone, Amber and Mummies.Nematology Monographs and Perspective 9.

Poinar, G.O., Hunt, D.J., Perry, R.N. 2011. Nematodes from the Mesozoic. Nematology Monographs and Perspectives 9:27-52.