Catalog - Textularia decurrens Catalog - Textularia decurrens

CATALOG OF ORIGINAL DESCRIPTIONS: Textularia decurrens Chapman 1892

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: pf_cat -> T -> Textularia -> Textularia decurrens
Other pages this level: T. biarritzensis, T. costata, T. decurrens, T. globulosa, T. martini, T. striata, T. variabilis

Textularia decurrens

Citation: Textularia decurrens Chapman 1892
taxonomic rank: Species

Current identification/main database link: Planoheterohelix globulosa (Ehrenberg, 1840)

Original Description

Amongst a large number of the globulose-chambered Textulariae so abundant in the Taplow Chalk were noticed several specimens more or less inclined to depart, in the latest growth of the shell, from the biserial or Textularian type and to become spirally uniserial, showing in fact the reverse of the essential character of the genus Spiroplecta. The specimen figured represents this abnormal growth in perhaps its best development. It is only another instance of the readiness with which a form will depart from its type, serving perhaps as a link not only between species, but it may be between genera also.


Chapman, F. (1892). Microzoa from the Phosphatic Chalk of Taplow. Quarterly Journal of the Geological Society of London. 48: 514-518. gs


Textularia decurrens compiled by the pforams@mikrotax project team viewed: 23-4-2024

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