CATALOG OF ORIGINAL DESCRIPTIONS: Porodiscus (Trematodiscus) Haeckel 1861

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 -> T -> Trematodiscus
Other pages this level: << < Tholartus, Tholocubus, Tholodes, Tholodiscus, Tholoma, Tholomura, Tholonium, Tholospira, Tholospyris, Tholostaurus, Tholothauma, Thyrsocyrtis, Tiarospyris, Toxarium, Toxidiella, Trematodiscus, Triacartus, Triactis, Triactiscus, Triadiscus, Triastrum, Tribonosphaera, Triceraspyris, Tricolocampe, Tricolocapsa, Tricolospyris, Tricolpera, Tricorporisphaera, Tricranastrum, Tricyclidium, Tridictyopus> >>

Trematodiscus ellipticus Stöhr 1880
= Circodiscus ellipticus
Trematodiscus haeckeli Bütschli 1882

Trematodiscus helicoides Haeckel 1860

Trematodiscus heterocyclus Haeckel 1862

Trematodiscus microporus Stöhr 1880
= Circodiscus microporus
Trematodiscus orbiculatus Haeckel 1862
= Stylodictya orbiculata
Trematodiscus sorites Haeckel 1862

Trematodiscus soritoides Pantanelli 1880

Trematodiscus

Citation: Porodiscus (Trematodiscus) Haeckel 1861
Rank: sub-genus
Type species: Trematodiscus orbiculatus Haeckel 1862 [designated by Frizzell in Frizzell and Middour,1951, p.24]
Described on page(s) : 841
Family (traditional): Litheliidae

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Current identification/main database link:

See also: Porodiscus - Trematodiscus was described as a sub-genus of Porodiscus;


Original Description
Skelet scheibenförmig, bestcht atis 2 durchlöcherten, parallelen, kreisrunden Deckplatten, zwischen denen mehrere concentrische Kreisbalken oder die Windungen einer Spirale verlaufen, welche durch radiale unterbrochene Balken verbunden sind. Certralkapsel scheibenförmig, zwischen den beiden Deckplatten eingeschlossen.

Editors' Notes
[Frizzell (1951, p. 24) designates Trematodiscus orbiculatus Haeckel in Haeckel, 1862, p. 492, as the type species of Trematodiscus. However, a larger concept of this species was first described in 1860 at the time of the original generic description, and we here assume Frizzell's designation to include this 1860 form.]

References:

Haeckel, E (1861b). Fernere Abbildungen und Diagnosen neuer Gattungen und Arten von lebenden Radiolarien des Mittelmeeres. Monatsberichte der Koniglichen Preussische Akademie der Wissenschaften zu Berlin. 1860: 835-845. gs


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Trematodiscus compiled by the radiolaria@mikrotax project team viewed: 16-1-2021

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