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Helicosphaera lophota
Taxonomy
Helicosphaera lophota was named by Bramlette and Sullivan (1961). It is not extant.
Sister species lacking formal opinion data
H. ampliaperta, H. ampliaperta, H. ampliapertura, H. compacta, H. intermedia, H. inversa, H. mediterranea, H. prolixa, H. reticulata, H. scissura, H. sellii, H. seminulum, H. seminulum, H. seminutum, H. walbersdorfensis, H. wallichii, H. waltrans, H. acuta, H. ampliaperta, H. bramlettei, H. burkei, H. clarissima, H. compacta, H. elongata, H. ethologa, H. euphratis, H. granulata, H. hyalina, H. intermedia, H. inversa, H. kamptneri, H. mediterranea, H. neogranulata, H. obliqua, H. omanica, H. pavimentum, H. perch-nielseniae, H. princei, H. recta, H. reticulata, H. scissura, H. sellii, H. seminulum, H. vedderi, H. walbersdorfensis, H. wallichii, H. wilcoxonii
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Helicosphaera lophota Bramlette and Sullivan |
| 2013 | Helicosphaera lophota Pérez Panera |
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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.
†Helicosphaera lophota Bramlette and Sullivan 1961
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 2003 | |||||
Age range: base of the Danian to the top of the Middle Eocene or 66.00000 to 37.71000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian | Argentina (Santa Cruz) | Helicosphaera lophota (237043) | |
| Middle Eocene | USA (California) | Helicosphaera lophota (206538 206539 206540) |