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Taxonomy
Hedstroemia was named by Pribyl and Vanek (1978) [Sepkoski's age data: S Ldov-u D Gedi Sepkoski's reference number: 933,1106]. Its type is Proetus delicatus.
It was assigned to Proetida by Sepkoski (2002); to Proetidae by Jell and Adrain (2002); and to Crassiproetinae by Zhou et al. (2000) and Stocker et al. (2019).
It was assigned to Proetida by Sepkoski (2002); to Proetidae by Jell and Adrain (2002); and to Crassiproetinae by Zhou et al. (2000) and Stocker et al. (2019).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Hedstroemia Pribyl and Vanek |
| 1988 | Aceroproetus Kolobova |
| 1990 | Pachyproetus Lutke |
| 2000 | Hedstroemia Zhou et al. p. 469 |
| 2002 | Hedstroemia Jell and Adrain p. 383 |
| 2002 | Aceroproetus Jell and Adrain p. 476 |
| 2002 | Aceroproetus Sepkoski |
| 2002 | Hedstroemia Sepkoski |
| 2002 | Pachyproetus Sepkoski |
| 2012 | Aceroproetus Storey |
| 2019 | Hedstroemia Stocker et al. p. 223 |
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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. †Hedstroemia Pribyl and Vanek 1978
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†Hedstroemia acer Kolobova 1988
†Hedstroemia channahonensis Weller 1907
†Hedstroemia delicatus Hedström 1923
†Hedstroemia formosa Zhou et al. 2000
†Hedstroemia kutchini Ludvigsen and Tripp 1990
†Hedstroemia pachydermatus Barrett 1878
†Hedstroemia planedorsata Schmidt 1894
†Hedstroemia sourdoughi Ludvigsen and Tripp 1990
†Hedstroemia sugiharensis Kobayashi and Hamada 1974
Invalid names: Aceroproetus Kolobova 1988 [synonym], Pachyproetus Lutke 1990 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Fortey and Owens 1999, Hendy 2009, Aberhan et al. 2004 | |||||
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Katian | China | H. sp. (184488) | |
| Rhuddanian | USA (Iowa) | Proetus channahonensis (24966) | |
| Wenlock | Greenland | H. sp. (188490) | |
| Homerian | Sweden (Gotland) | Proetus delicatus (13599 13673) | |
| Ludlow | Canada (Yukon) | H. kutchini, H. sourdoughi (23078) | |
| Ludlow | Japan (Skikoku) | Proetus sugiharensis (188695) | |
| Ludlow | Japan (Shikoku) | Proetus sugiharensis (188690) | |
| Ludfordian | Canada (Northwest Territories) | H. kutchini, H. sourdoughi (25495) | |
| Ludfordian | Uzbekistan | H. sp. B (216476) | |
| Emsian | China (Inner Mongolia) | H. formosa (217242 217250 217251) | |
| Eifelian | China (Inner Mongolia) | H. sp. (217249) H. sp. indet. (217263) |