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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Leiorhynchoidea amygdaloidea
Taxonomy
Leiorhynchoidea amygdaloidea was named by Cooper and Grant (1976). Its type specimen is YPM 12552, a shell (Articulated shell), and it is not a trace fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Leiorhynchoidea amygdaloidea Cooper and Grant p. 2069 figs. Pl 548, figs 19-38 |
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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.
†Leiorhynchoidea amygdaloidea Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 7 | 7.76 | 2.80 | 11.5 | 9.00 | 2.76 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Roadian to the top of the Capitanian or 274.40000 to 259.51000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | USA (Texas) | Leiorhynchoidea amygdaloidea (43548 43553 105806) | |
| Wordian | USA (Texas) | Leiorhynchoidea amygdaloidea (43550) | |
| Capitanian | Mexico (Coahuila) | Pugnoides bisulcatus (62907) |