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Helminthopsis
Taxonomy
Helminthopsis was named by Heer (1877).
It was assigned to Algae by Knowlton (1919); and to Ichnofossils by Hantzschel (1975).
It was assigned to Algae by Knowlton (1919); and to Ichnofossils by Hantzschel (1975).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Helminthopsis Heer |
| 1919 | Helminthopsis Knowlton |
| 1975 | Helminthopsis Hantzschel |
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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.
G. †Helminthopsis Heer 1877
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†Helminthopsis abelli Ksiazkiewicz 1977
†Helminthopsis hieroglyphica Heer 1887
†Helminthopsis labyrinthica Heer 1877
†Helminthopsis magna Heer 1877
†Helminthopsis tenuis Ksiazkiewicz 1968
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Hantzschel 1975 | Simple meandering smooth trails, but not as strictly developed as Helminthoida s.s.; in part with marginal ridges. |
Measurements
No measurements are available
No ecological data are available
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ediacaran | Canada (British Columbia) | H. abeli (231439) | |
| Ediacaran | Canada (Northwest Territories) | H. sp. (231367) | |
| Ediacaran | USA (Nevada) | H. sp. (231325) | |
| Ediacaran | USA (North Carolina) | H. sp. (231427) | |
| Botomian | Poland | H. sp. (153009) | |
| Tremadoc | Canada (Newfoundland) | H. abelli (175845) H. hieroglyphica, H. tenuis (175844) | |
| Tremadoc - Arenig | Canada (Newfoundland) | H. sp. (175853) | |
| Missourian - Virgilian | USA (Kansas) | H. heiroglyphica (31) | |
| Wuchiapingian | South Africa (Kwazulu-Natal) | H. sp. (206767) | |
| Ladinian | Argentina (Mendoza) | H. sp. (219953) | |
| Bathonian | United Kingdom (England) | H. sp. (36550) | |
| Tithonian - Neocomian | Canada (British Columbia) | H. sp. (41191) | |
| Campanian | Antarctica | H. wornardti (57573) |