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Helophorus (Mesosperchus) costalis
Taxonomy
Helophorus (Mesosperchus) costalis was named by Ponomarenko (2014). Its type specimen is PIN 2470/997, an exoskeleton, and it is a compression fossil. Its type locality is Shar-Teg, outcrop 443/1 (PIN collection 4270), which is in a Tithonian lacustrine - large mudstone in the Sharteg Formation of Mongolia.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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2014 | Helophorus (Mesosperchus) costalis Ponomarenko p. 1664 fig. 36.2 |
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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.
†Helophorus (Mesosperchus) costalis Ponomarenko 2014
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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 |