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Drepanorzeckia plana
Taxonomy
Drepanorzeckia plana was named by Blagoderov (1997). Its type specimen is PIN 1989/3283, an exoskeleton, and it is a compression fossil. Its type locality is Baissa (PIN collection 1989, layer 31), which is in an Aptian lacustrine - large siltstone/marl in the Zaza Formation of the Russian Federation.
Synonymy list
Year | Name and author |
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1997 | Drepanorzeckia plana Blagoderov p. 614 figs. 3 a-b; Pl. III, fig. 8 |
1998 | Drepanorzeckia plana Blagoderov p. 603 |
2021 | Drepanorzeckia plana Oliveira and Amorim p. 102 |
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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.
†Drepanorzeckia plana Blagoderov 1997
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: c = class, p = phylum | |||||
References: Kiessling 2004, Bush and Bambach 2015 |
Age range: Aptian or 121.40000 to 113.20000 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Aptian | Mongolia | Drepanorzeckia plana (113355 113356 113359) | |
Aptian | Russian Federation (Buryatia) | Drepanorzeckia plana (119441 119498 122549 type locality: 122552) |