Leioclema Ulrich, 1882
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publication ID |
https://doi.org/ 10.5252/g2012n4a1 |
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DOI |
https://doi.org/10.5281/zenodo.5465730 |
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persistent identifier |
https://treatment.plazi.org/id/03A6D074-FFFE-7E02-FF35-FB2AFB9DFE0E |
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treatment provided by |
Marcus |
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scientific name |
Leioclema Ulrich, 1882 |
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Genus Leioclema Ulrich, 1882 View in CoL
TYPE SPECIES. — Callopora punctata Hall, 1858 , by subsequent designation ( Ulrich 1882). Lower Carboniferous ; Iowa ( USA) .
OCCURRENCE. — Lower Silurian to Upper Carboniferous; worldwide.
DIAGNOSIS. — Encrusting,branched, less commonly massive colonies.Autozooecia with polygonal to rounded-polygonal, sometimes petaloid apertures. Autozooecial diaphragms rare. Mesozooecia abundant, with abundant diaphragms, often beaded. Acanthostyles abundant, commonly large. Autozooecial walls thin in endozone; laminated, regularly thickened in exozones (modified from Astrova 1978).
COMPARISON
Leioclema Ulrich, 1882 View in CoL differs from Heterotrypa Nicholson, 1879 View in CoL in having rare autozooecial diaphragms and abundant acanthostyles and mesozooecia, and from Stigmatella Ulrich& Bassler, 1904 View in CoL in having abundant mesozooecia.
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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Leioclema Ulrich, 1882
| Ernst, Andrej, Fernández, Luis Pedro, Fernández-Martínez, Esperanza & Vera, Carmen 2012 |
Stigmatella Ulrich& Bassler, 1904
| Ulrich & Bassler 1904 |
Leioclema
| Ulrich 1882 |
Heterotrypa
| Nicholson 1879 |