arrayname: original
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.
Current identification/main database link: Phormostichoartus fistula Nigrini 1977
Original Description
(Based on 15 specimens) Total length 110-190 µ; length of cephalis and thorax 36-40 µ; length of abdomen 35-53 µ; length of fourth segment 35-70 µ; maximum breadth 65-83 µ
Fourth segment approximately same width as or narrower than abdomen; pores similar in size and shape to those on abdomen, usually in three or four transverse rows. Segment narrowing to poreless peristome, sometimes with small, poorly developed terminal teeth. In some specimens fourth segment is elongate with more pore rows, often becoming irregular in arrangement and shape.
Phylogeny: Uncertain; may be ancestor of Phormostichoartus corbula.
Editors' Notes
Nigrini, C. A. (1977). Tropical Cenozoic Artostrobiidae (Radiolaria). Micropaleontology. 23(3): 241-269. gsReferences:
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Phormostichoartus fistula compiled by the radiolaria@mikrotax project team viewed: 23-3-2025
Short stable page link: https://mikrotax.org/radiolaria/index.php?id=252034 Go to Archive.is to create a permanent copy of this page - citation notes |
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