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Hemiaulus polymorphus
Taxonomy
Hemiaulus polymorphus was named by Grunow (1884).
Subspecies
Sister species lacking formal opinion data
H. altus, H. ambiguus, H. andrewsi, H. antiquus, H. arcticus, H. assymetricus, H. bipons, H. curvatulus, H. danicus, H. echinulatus, H. elegans, H. februatus, H. gleseri, H. huberi, H. incisus, H. includens, H. kittonii, H. kondai, H. ornithocephalus, H. orthoceras, H. praelegans, H. punctatus, H. rossicus, H. schmidti, H. seymouriensis, H. sibericus, H. simplex, H. sporalis, H. tumidicornis, H. undulatus
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Hemiaulus polymorphus Grunow |
| 1976 | Hemiaulus polymorphus Andrews p. 18 |
| 1976 | Hemiaulus polymorphus Lakhanpal et al. |
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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.
†Hemiaulus polymorphus Grunow 1884
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†Hemiaulus polymorphus virginica Grunow 1884
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Campanian to the top of the Serravallian or 83.60000 to 11.63000 Ma
Collections (53 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Campanian | Canada | Hemiaulus polymorphus (57616) | |
| Campanian | Canada (Northwest Territories) | Hemiaulus polymorphus (57607 57608 57609 57611 57612 57613 57614 57615 57617 57618 57619 57620 57621 57623 57624 57625 57626 57628 57634 57635 57636 57639 57640 57641 57642 57643 57644 57645 57647 57648 57650 57655) | |
| Campanian | Antarctica | Hemiaulus polymorphus (57573) | |
| Campanian | Canada (Nunavut) | Hemiaulus polymorphus (57259 57260 57266 57437 57439 57440 57441 57442 57443) | |
| Maastrichtian | Antarctica | Hemiaulus polymorphus (57558 57568 57569) | |
| Paleocene | Antarctica | Hemiaulus polymorphus (57538 57542 57545) | |
| Lutetian | Russian Federation (Kamchatka) | Hemiaulus polymorphus (202259) | |
| Aquitanian - Langhian | USA (North Carolina) | Hemiaulus polymorphus (48887) | |
| Neogene | India (Andaman and Nicobar Islands) | Hemiaulus polymorphus (224619) | |
| Serravallian | USA (Maryland) | Hemiaulus polymorphus (70546) |