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Leptarbacia
Taxonomy
Leptarbacia was named by Clark and Twitchell (1915). Its type is Leptarbacia argutus.
It was assigned to Hemicidaridae by Clark and Twitchell (1915).
It was assigned to Hemicidaridae by Clark and Twitchell (1915).
Species
L. argutus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1915 | Leptarbacia Clark and Twitchell p. 52 |
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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.
G. †Leptarbacia Clark and Twitchell 1915
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†Leptarbacia argutus Clark and Twitchell 1915
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||
Age range: base of the Late/Upper Albian to the top of the Early/Lower Cenomanian or 105.30000 to 93.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | USA (Texas) | L. argutus (58637) | |
| Late/Upper Albian - Early/Lower Cenomanian | USA (Texas) | L. argutus (203428) | |
| Early/Lower Cenomanian | Mexico (Coahuila de Zaragoza) | L. argutus (88218) |