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Astartella concentrica
Taxonomy
Nuculites concentrica was named by Conrad (1842). It is not a trace fossil.
It was recombined as Astartella concentrica by Girty (1915), Morningstar (1922), Girty (1927), Elias (1957), Hoare (1961), Gordon and Pojeta (1975), Hoare et al. (1979), Hoare et al. (1989), Kues (1991) and Kues et al. (2002).
It was recombined as Astartella concentrica by Girty (1915), Morningstar (1922), Girty (1927), Elias (1957), Hoare (1961), Gordon and Pojeta (1975), Hoare et al. (1979), Hoare et al. (1989), Kues (1991) and Kues et al. (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1842 | Nuculites concentrica Conrad p. 248 figs. pl. 15 f. 19 |
| 1859 | Edmondia concentrica McChesney p. 55 |
| 1865 | Edmondia concentrica McChesney figs. pl. 2 f. 21a-b |
| 1867 | Astartella concentrica McChesney p. 43 figs. pl. 2 f. 21a-b |
| 1915 | Astartella concentrica Girty p. 142 figs. pl. 18 f. 2-9 |
| 1922 | Astartella concentrica Morningstar p. 214 figs. pl. 13 f. 11-13 |
| 1927 | Astartella concentrica Girty p. 418 figs. txt. f. 1-11 |
| 1957 | Astartella concentrica Elias p. 783 figs. pl. 96 f. 6 |
| 1961 | Astartella concentrica Hoare pp. 126-127 figs. pl. 15 f. 6 |
| 1975 | Astartella concentrica Gordon and Pojeta p. E18 figs. pl. 4 f. 4-7 |
| 1979 | Astartella concentrica Hoare et al. p. 54 figs. pl. 14 f. 18-23 |
| 1989 | Astartella concentrica Hoare et al. p. 594 fig. 5.26–5.28 |
| 1991 | Astartella concentrica Kues p. 238 fig. 3.3 |
| 2002 | Astartella concentrica Kues et al. p. 129 figs. 4S-U |
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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.
†Astartella concentrica Conrad 1842
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Invalid names: Edmondia concentrica McChesney 1859 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. S. Kues et al. 2002 | The valves have a suboval to subrectangular shape with low beaks situated about one-fourth to one-third of the distance from the anterior to posterior margins. The characteristic deep circular lunule below the beaks, and deep fusiform escutcheon along the posterodorsal margin are preserved on a few of the specimens. The length/height ratio of the valves averages approximately 1.35, and they attain a maximum length of approximately 30 mm. Ornamentation consists of high, sharp, widely spaced comarginal ribs, approximately 6–7/5 mm near the center of the valve. These ribs are evenly spaced except near the ventral valve margin, where they become irregular. Fine growth lines are present between the ribs. |
Measurements
No measurements are available
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| Source: superf = superfamily | |||||
| Reference: Sanchez Roig 1926 | |||||
Age range: base of the Serpukhovian to the top of the Gzhelian or 330.90000 to 298.90000 Ma
Collections (88 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Serpukhovian | USA (Oklahoma) | Astartella concentrica (5611) | |
| Serpukhovian | USA (Arkansas) | Astartella concentrica (5517 5518) | |
| Morrowan | USA (Wyoming) | Astartella concentrica (5675 5713 5724 5726) | |
| Morrowan | USA (Ohio) | Astartella concentrica (184126) | |
| Morrowan - Desmoinesian | Brazil | Astartella concentrica (67801) | |
| Morrowan - Desmoinesian | Mexico (Oaxaca) | Astartella concentrica (43452 44297) | |
| Westphalian | USA (Kentucky) | Astartella concentrica (52864) | |
| Atokan | USA (Wyoming) | Astartella concentrica (5725) | |
| Moscovian | USA (Kentucky) | Astartella concentrica (195795) | |
| Kashirian - Myachkovian | USA (New Mexico) | Astartella concentrica (46548) | |
| Desmoinesian | USA (Missouri) | Astartella concentrica (70135 70255 70258 70271 70284 70296 70383) | |
| Desmoinesian | USA (Kansas) | Astartella concentrica (1037) | |
| Desmoinesian | USA (Oklahoma) | Astartella concentrica (1040 8633 8637 8639 8641 8642 8643 8644) | |
| Missourian | USA (Texas) | Astartella concentrica (1077 217918) | |
| Missourian | USA (New Mexico) | Astartella concentrica (50767) | |
| Missourian | USA (Maryland) | Astartella concentrica (118828) | |
| Gzhelian | USA (New Mexico) | Astartella concentrica (160176) | |
| Virgilian | USA (Illinois) | Astartella concentrica (49833) | |
| Virgilian | USA (Maryland) | Astartella concentrica (118827) | |
| Virgilian | USA (Texas) | Astartella concentrica (1048 1049 1051 1053 1054 1055 1057 1059 1060 1062 1063 1065 1066 1067 1069 1101 1126 1127 1132 217891 217893 217894 217897 217898 217905 217906 217908 217913 217915 217927 217932 217934 217941 217952 217960 217969 217977 217979 217986 217992 218000 218002 218010 218021 218022 218024 218029 218054 219193) | |
| Virgilian - Wolfcampian | USA (Texas) | Astartella concentrica (1102) |