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Lyreidina pyriformis
Taxonomy
Lyreidina pyriformis was named by Fraaye and van Bakel (1998). Its type specimen is MAK k. 2251 and is a 3D body fossil. Its type locality is ENCI-Maastricht B.V. quarry (Nekum), which is in a Maastrichtian shallow subtidal chalk in the Maastricht Formation of the Netherlands. It is the type species of Lyreidina.
Synonymy list
| Year | Name and author |
|---|---|
| 1998 | Lyreidina pyriformis Fraaye and Van Bakel |
| 1998 | Lyreidina pyriformis Fraaye and van Bakel p. 294 |
| 2010 | Lyreidina pyriformis Schweitzer et al. p. 71 |
| 2014 | Lyreidina pyriformis Karasawa et al. p. 256 |
| 2018 | Lyreidina pyriformis Schweitzer et al. p. 18 fig. 10.1 |
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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.
†Lyreidina pyriformis Fraaye and van Bakel 1998
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, uc = unranked clade | |||||
| References: Fearon and Clapham 2023, Aberhan 1992, Turnsek 1997 | |||||
Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | Netherlands (Limburg) | Lyreidina pyriformis (169045) |