Dyscritella Girty, 1911
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https://doi.org/ 10.5252/g2015n2a2 |
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publication LSID |
urn:lsid:zoobank.org:pub:BA9B2FF0-9D3B-44AF-894F-419DE5AE4C13 |
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DOI |
https://doi.org/10.5281/zenodo.4535391 |
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persistent identifier |
https://treatment.plazi.org/id/038D87E1-F743-FFB8-A2DC-F980E60BFEE8 |
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treatment provided by |
Felipe |
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scientific name |
Dyscritella Girty, 1911 |
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Genus Dyscritella Girty, 1911 View in CoL
TYPE SPECIES. — Dyscritella robusta Girty, 1911 by original designation. Lower Carboniferous ; Arkansas, USA .
OCCURRENCE. — Devonian to Triassic; worldwide.
DIAGNOSIS. — Dendroid and encrusting colony with abundant acanthostyles and exilazooecia. Autozooecia parallel to longitudinal direction of the colony in endozone; gradually bending outward in exozone. Diaphragms in autozooecia lacking or very rare; lacking in exilazooecia. Exilazooecia circular to angular in cross section and separated from the autozooecia and from each other by thick walls. Two sizes of acanthostyles may be present. Zooecial walls thin in endozone, rapidly thickening in the exozone (modified after Ernst & Gorgij, 2013).
COMPARISON
Dyscritella Girty, 1911 View in CoL generally lacks diaphragms which are commonly developed in the similar genus Dyscritellina Morozova in Dunaeva & Morozova, 1967.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Dyscritella Girty, 1911
| Ernst, Andrej, Wyse Jackson, Patrick N. & Aretz, Markus 2015 |
Dyscritella
| Girty 1911 |