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Spirographites

Taxonomy
Spirographites is a genus. It is not extant.

It was assigned to Ichnofossils by Mayoral and Calzada (1998); and to Serpulimorpha by Sepkoski (2002).

Synonymy list
YearName and author
1998Spirographites Mayoral and Calzada
2002Spirographites Sepkoski, Jr.

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RankNameAuthor
Ichnofossils
RankNameAuthor
genusSpirographites

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
E. Mayoral and S. Calzada 1998Madrigueras cilindricas verticales a fuertemente inclinadas o casi horizontales,simples o mas raramente seudobifurcadas, de seccion normalmente eliptica, aunque tambien puede ser circular. La pared exterior,ligeramente aglutinante, presenta una ornamentacion
constituida por protuberancias lenticulareso toscamente globosas, asi como marcas de rastrillaje(Gamez-Vintaned y Linan 1996). Ambas se
disponen en anillos espirales paralelos y discontinuos.