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Guegoolithus turolensis
Taxonomy
Macroolithus turolensis was named by Amo Sanjuán et al. (2000). It is considered to be a form taxon. Its type specimen is CCR 3-25 (= MPZ 2013/704), an egg, and it is a 3D body fossil. Its type locality is Cuesta Corrales 2, Galve, which is in a Barremian lacustrine claystone in the El Castellar Formation of Spain.
It was recombined as Guegoolithus turolensis by Moreno-Azanza et al. (2014) and Moreno-Azanza et al. (2016).
It was recombined as Guegoolithus turolensis by Moreno-Azanza et al. (2014) and Moreno-Azanza et al. (2016).
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Macroolithus turolensis Amo Sanjuán et al. p. 8 figs. 3-4 |
| 2007 | Macroolithus turolensis Sánchez-Hernández et al. p. 206 |
| 2008 | Macroolithus turolensis Moreno-Azanza et al. p. 43 |
| 2010 | Macroolithus turolensis Canudo et al. p. 218 |
| 2014 | Guegoolithus turolensis Moreno-Azanza et al. p. 79 |
| 2014 | Macroolithus turolensis Moreno-Azanza et al. p. 845 |
| 2016 | Guegoolithus turolensis Moreno-Azanza et al. p. 309 |
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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.
†Guegoolithus turolensis Amo Sanjuán et al. 2000
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Moreno-Azanza et al. 2014 | Egg shape and size unknown. Thin spher- oolithid eggshell (420e1500 mm including ornamentation). Prolatospherulitic shell units that fuse with adjacent units at one third of the eggshell thickness. The spherulites have an acicular radial ultrastructure, separated by an irregular boundary from the overlying region of radial tabular structure (ratio 1:3). Wavy accretion lines are observed in the upper two-thirds of the eggshell, coarsely following the eggshell surface. Pairs of fused shell units are frequent, also discernable in the inner surface. The outer surface displays prominent sagenotuberculate ornamentation, which comprises one fifth to one third of the eggshell thickness. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Benton 1983, Marsh 1875 | |||||
Age range: base of the Late/Upper Berriasian to the top of the Early/Lower Barremian or 145.00000 to 125.45000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Berriasian | Spain (La Rioja) | Guegoolithus turolensis (224944) | |
| Early/Lower Barremian | Spain (Aragón) | Macroolithus turolensis (53921 type locality: 61409) |