On the free-living bryozo-an fauna from the Miocene Gram Formation (Denmark), with description of two new species, a new genus and a new suborder of Cheilostomata.

The free-living part of the restricted bryozoan fauna in the Late Miocene (Tortonian) Gram Formation, Denmark is described. Four species are recorded: Cupuladria aff. biporosa, Lunulites voigti, Reussirella germinatio n. sp. and Gramipora laxevincta n. gen., n. sp. The new suborder Cupuladriina nov. is introduced. The concepts of ‘free-living’ vs. ‘free-lying’ colonies are discussed briefly, with three categories of ‘free-living’ colonies considered, all exemplified by the four free-living taxa in the Gram fauna.

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Publication Details

Journal
Bulletin of the Geological Society of Denmark
Published
2026-01-12
DOI
https://doi.org/10.37570/bgsd-2026-75-02
Primary Topic
Marine Ecology and Invasive Species
Type
article
Field-Weighted Citation Impact
0.00

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article

On the free-living bryozo-an fauna from the Miocene Gram Formation (Denmark), with description of two new species, a new genus and a new suborder of Cheilostomata.

Sten L. Jakobsen, Eckart Håkansson, Antonietta Rosso, Erik Thomsen
Bulletin of the Geological Society of Denmark
Marine Ecology and Invasive Species
article

On the free-living bryozo-an fauna from the Miocene Gram Formation (Denmark), with description of two new species, a new genus and a new suborder of Cheilostomata.

Sten L. Jakobsen, Eckart Håkansson, Antonietta Rosso, Erik Thomsen
article en

Abstract

The free-living part of the restricted bryozoan fauna in the Late Miocene (Tortonian) Gram Formation, Denmark is described. Four species are recorded: Cupuladria aff. biporosa, Lunulites voigti, Reussirella germinatio n. sp. and Gramipora laxevincta n. gen., n. sp. The new suborder Cupuladriina nov. is introduced. The concepts of ‘free-living’ vs. ‘free-lying’ colonies are discussed briefly, with three categories of ‘free-living’ colonies considered, all exemplified by the four free-living taxa in the Gram fauna.

Bulletin of the Geological Society of DenmarkVol. 75
Nationale Geologiske Undersøgelser for Danmark og Grønland
Life below water
Openalex Percentile: Top 93%
Marine Ecology and Invasive Species
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