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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hallex brevipes
Taxonomy
Hallex brevipes was named by Hamilton (1990). Its type specimen is AMNH 43645, an exoskeleton (female), and it is a compression fossil. Its type locality is Crato (AMNH collection), which is in an Aptian lacustrine - large carbonate in the Crato Formation of Brazil.
Synonymy list
Year | Name and author |
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1990 | Hallex brevipes Hamilton p. 90 figs. 17, 20, 98, 99 |
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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.
†Hallex brevipes Hamilton 1990
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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: Late/Upper Aptian or 122.46000 to 113.00000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Late/Upper Aptian | Brazil (Ceará) | Hallex brevipes (type locality: 122352) |