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Halesium irregularis
Taxonomy
Halesium irregularis was named by Steiger (1992).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Halesium irregularis Steiger p. 47 figs. pl. 11, fig. 3-5 |
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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.
†Halesium irregularis Steiger 1992
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Early/Lower Tithonian to the top of the Early/Lower Berriasian or 149.20000 to 141.00000 Ma
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Tithonian | Italy | Halesium irregularis (47167) | |
| Early/Lower Tithonian | Austria | Halesium irregularis (51220) | |
| Early/Lower Tithonian - Middle Tithonian | Austria | Halesium irregularis (51225 51226) | |
| Middle Tithonian - Late/Upper Tithonian | Austria | Halesium irregularis (51192) | |
| Late/Upper Tithonian | Austria | Halesium irregularis (51194 51195 51204) | |
| Late/Upper Tithonian - Early/Lower Berriasian | Austria | Halesium irregularis (51196 51209) | |
| Late/Upper Tithonian - Berriasian | Germany | Halesium irregularis (47169) | |
| Berriasian | Oman | Halesium irregularis (47174 47175 47176) | |
| Berriasian | Austria | Halesium irregularis (51198 51214) |