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Asteronychidae
Taxonomy
Asteronychidae was named by Müller and Troschel (1840). It is extant. Its type is Asteronyx.
It was assigned to Euryalina by Spencer and Wright (1966); and to Euryalida by Smith et al. (1995), Jagt (2000), O'Hara et al. (2017) and O'Hara et al. (2018).
It was assigned to Euryalina by Spencer and Wright (1966); and to Euryalida by Smith et al. (1995), Jagt (2000), O'Hara et al. (2017) and O'Hara et al. (2018).
Subtaxa
Asteronyx (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Asteronychidae Müller and Troschel |
| 1966 | Asteronychidae Spencer and Wright p. U91 |
| 1995 | Asteronychidae Smith et al. |
| 2000 | Asteronychidae Jagt p. 8 |
| 2017 | Asteronychidae O'Hara et al. |
| 2018 | Asteronychidae O'Hara et al. p. 6 |
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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.
Fm. Asteronychidae Müller and Troschel 1840
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G. Asteronyx Müller and Troschel 1842
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†Asteronyx simplex Müller 1950
†Asteronyx spinulosa Kutscher and Jagt 2000
†Asteronyx valkenburgensis Berry 1938
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum | |||||
| References: Warner 1982, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range
Maximum range based only on fossils: base of the Early/Lower Turonian to the top of the Early/Lower Maastrichtian or 93.50000 to 66.00000 Ma
Minimum age of oldest fossil (stem group age): 89.3 Ma
Minimum age of oldest fossil (stem group age): 89.3 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian - Early/Lower Turonian | Czech Republic | Asteronychidae indet. (58092) | |
| Early/Lower Turonian | Czech Republic | Asteronychidae indet. (62041 62043) | |
| Campanian | Sweden | Asteronyx sp. (59071) | |
| Early/Lower Maastrichtian | Germany (Mecklenburg-Vorpommern) | Asteronyx simplex, Asteronyx spinulosa (32022) | |
| Early/Lower Maastrichtian - Maastrichtian | Denmark | Asteronyx simplex, Asteronyx spinulosa (32023) |