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Ceramaster polonicus
Taxonomy
Ceramaster polonicus was named by Nosowska (1997). It is not extant. Its type specimen is Collection of E. Nosowska, Department of Paleontology, University of Warsaw. Its type locality is Nawodzice sand pit, which is in a Badenian shallow subtidal sandstone in the Nawodzice sands Formation of Poland.
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Ceramaster polonicus Nosowska pp. 234-237 figs. pl. 7-10 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Ceramaster polonicus Nosowska 1997
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Nosowska 1997 | The same number of supero- and inferorginals; inside the disc, they correspond in position; variable number of arm ossicles slightly transpositioned one in respect to another; three pairs of distal superomarginal touching each other along the radius; median marginals flattened; central area of outer face slightly raised, surrounded by a more or less wide, irregular sunken edge, closely covered by fine granule pits; arm marginal very convex; central area of the ossicles enlarged in the distal direction. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Blake 1990, Aberhan 1992 | |||||