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Heterodiadema libycum
Taxonomy
Hemicidaris libyca was named by Agassiz and Desor (1846). It is a 3D body fossil.
It was recombined as Heterodiadema lybicum by Néraudeau et al. (1995); it was recombined as Heterodiadema libycum by Néraudeau and Courville (1997), Berndt (2003).
It was recombined as Heterodiadema lybicum by Néraudeau et al. (1995); it was recombined as Heterodiadema libycum by Néraudeau and Courville (1997), Berndt (2003).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1846 | Hemicidaris libyca Agassiz and Desor p. 338 |
| 1995 | Heterodiadema lybicum Néraudeau et al. p. 406 fig. 3e |
| 1997 | Heterodiadema libycum Néraudeau and Courville p. 839 fig. 6.6 |
| 2003 | Heterodiadema libycum Berndt p. 78 |
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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.
†Heterodiadema libycum Agassiz and Desor 1846
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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 Early/Lower Cenomanian to the top of the Late/Upper Campanian or 100.50000 to 72.20000 Ma
Collections (26 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian - Cenomanian | Egypt | Heterodiadema libycum (150677 150876) | |
| Cenomanian | Jordan | Heterodiadema libycum (96246 96247 140949) | |
| Cenomanian | Saudi Arabia | Heterodiadema lybicum (195496 195497 195499 195500 195501) | |
| Early/Lower Cenomanian | Egypt | Heterodiadema libycum (140114 140613) | |
| Early/Lower Cenomanian - Middle Cenomanian | Egypt | Heterodiadema libycum (114785 150675) | |
| Late/Upper Cenomanian | Nigeria | Heterodiadema libycum (4048 4055 210160) | |
| Late/Upper Cenomanian | Egypt | Heterodiadema libycum (114794 114809 114889 114891 140578 140581) | |
| Middle Cenomanian | Serbia | Heterodiadema lybicum (164671) | |
| Early/Lower Turonian | Egypt | Heterodiadema libycum (140245) | |
| Late/Upper Campanian | Saudi Arabia | Heterodiadema lybicum (195503) |