radiolaria - rads_cat - Periarachnium

CATALOG OF ORIGINAL DESCRIPTIONS: Periarachnium Haeckel 1882

This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.

Higher levels: rads_cat -> P -> Periarachnium

Other pages this level: << < Parastephus, Paratympanium, Paratympanum, Patagospyris, Pentactinosphaera, Pentactura, Pentadiscus, Pentalastrum, Pentaplagia, Pentaplegma, Pentapylonium, Pentasolenia, Pentaspyris, Pentinastrum, Pentophiastrum, Periarachnium, Perichlamydium, Peridium, Peripanarium, Peripanartus, Peripanicium, Periphaena, Periplecta, Peripyramis, Perispirella, Perispongidium, Perispyris, Peritiviator, Perizona, Peromelissa, Petalospyris> >>

				Periarachnium pauliani Renaudie & Lazarus 2016 = Periarachnium pauliani
				Periarachnium periplectum Haeckel 1887 = Periarachnium periplectum

Periarachnium

Citation: Periarachnium Haeckel 1882

Rank: genus

Type species: Periarachnium periplectum Haeckel 1887 [only one valid species]

Described on page(s) : 430

Family (traditional): Theoperidae

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Current identification/main database link: Periarachnium Haeckel 1882

Original Description
2a.Tribus: Sethocorida .Dyocyrtida aperta eradiata.
A. Sethocorida limbata = Lophophaenida. (Sethocorida margine ostii. laevi aut succiso).
AII. acuta (capitulo spinoso, non laevi).
IIb. secundo articulo conico, ostio nec coarctato nec dilatato.
b++ spinis capituli pluribus.
§4. secundo articulo spinis pallio arachnoideo incluso.

Translation: 2a. Tribe: Sethocorida. Open eradiate dyocyrtids.
A. Sethocorida with a girdle = Lophophaenida (Sethocorida with a smooth or truncate apertural margin).
AII. Acute (with cephalis spiny, not smooth).
IIb. With the second segment conical and the aperture neither constricted nor dilated.
b++ With more than one cephalic spine.
§4. With the second segment enclosed by an arachnoidal mantle. (Translated from Latin by E.M.R. and W.R.R.)]

Etymology: From the Greek periarachnium = shell enveloped by cobweb"

References:

Haeckel, E. (1882). Entwurf eines Radiolarien-Systems auf Grund von Studien der Challenger-Radiolarien [Basis for a radiolarian classification from the study of Radiolaria of the Challenger collection]. Jenaische Zeitschrift für Naturwissenschaft. 15: 418-472. gs

Periarachnium compiled by the radiolaria@mikrotax project team viewed: 28-2-2021

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Short stable page link: https://mikrotax.org/radiolaria/index.php?id=253525 Go to Archive.is to create a permanent copy of this page - citation notes

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