| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Helicosphaera seminulum
Taxonomy
No taxonomic data are available
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. 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. lophota, H. mediterranea, H. neogranulata, H. obliqua, H. omanica, H. pavimentum, H. perch-nielseniae, H. princei, H. recta, H. reticulata, H. scissura, H. sellii, H. vedderi, H. walbersdorfensis, H. wallichii, H. wilcoxonii
Synonymy list
No taxonomic opinions are available
Please join the Paleobiology Database and enter some data
|
|
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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Danian to the top of the Pleistocene or 66.00000 to 0.01170 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Danian - Selandian | Argentina (Santa Cruz) | Helicosphaera seminulum (237044) | |
| Ypresian | North Atlantic | Helicosphaera seminulum (261754 262405 263828) | |
| Lutetian | North Atlantic | Helicosphaera seminulum (261729 261730 261740 263826 263827 267045 267048 267053) | |
| Lutetian | North Pacific | Helicosphaera seminulum (244312 244316 244317) | |
| Lutetian | USA (Georgia) | Helicosphaera seminulum (4868) | |
| Bartonian | North Atlantic | Helicosphaera seminulum (261722 261727 261728) | |
| Pleistocene | South Pacific | Helicosphaera seminulum (243056) |