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Bolaspidella
Taxonomy
Bolaspidella was named by Resser (1937) [Sepkoski's age data: Cm uMid-l Cm uMid-u Sepkoski's reference number: 81]. Its type is Ptychoparia housensis.
It was assigned to Ptychoparioidea by Palmer (1954); to Menomoniidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Ptychoparioidea by Palmer (1954); to Menomoniidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Apedopyanus Raymond |
| 1937 | Hysteropleura Raymond |
| 1937 | Bolaspidella Resser |
| 1938 | Deltophthalamus Resser p. 74 |
| 1939 | Deissella Howell and Duncan |
| 1944 | Howellaspis Lochmann and Denson |
| 1954 | Bolaspidella Palmer p. 74 |
| 1998 | Hysteropleura Stitt p. 1039 |
| 2002 | Bolaspidella Jell and Adrain p. 350 |
| 2002 | Howellaspis Jell and Adrain p. 385 |
| 2002 | Hysteropleura Jell and Adrain p. 387 |
| 2002 | Bolaspidella Sepkoski |
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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. †Bolaspidella Resser 1937
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†Bolaspidella contracta Robison 1964
†Bolaspidella convexa Howell 1937
†Bolaspidella housensis Walcott 1886
†Bolaspidella prooculis Palmer 1954
†Bolaspidella stymacantha Robison 1988
Invalid names: Deissella Howell and Duncan 1939 [synonym], Deltophthalamus Resser 1938 [synonym], Howellaspis Lochmann and Denson 1944 [synonym], Hysteropleura Raymond 1937 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997, Hendy 2009 | |||||
Age range: base of the Guzhangian to the top of the Merioneth or 500.50000 to 485.40000 Ma
Collections (45 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Cambrian | USA (Alaska) | B. wellsvillensis (64765) | |
| Middle Cambrian | USA (Utah) | B. housensis (77268) B. sp. (64520 86740) | |
| St Davids | Greenland | B. sp. (10478) | |
| St Davids | India (Jammu and Kashmir) | B. himalayensis, B. costatus, B. magamensis, B. sp. (46454) | |
| St Davids | USA (Idaho/ Utah) | Howellaspis sp. (218) | |
| St Davids | USA (Utah) | B. sp. (216) | |
| Menevian | USA (South Dakota) | Hysteropleura schucherti (8241 8274) | |
| Menevian | USA (Utah) | B. sp. (10572) | |
| Marjumian | USA (New York) | B. sp. (221) | |
| Marjumian | Greenland (Peary Land) | B. stymacantha (49433 49435 49449 49481 49483) | |
| Marjumian | USA (Vermont) | Hysteropleura schucherti, Hysteropleura macgerriglei, B. convexa (222) | |
| Marjumian | USA (Utah) | B. contracta (77271) B. jarrardi, B. contracta (230679) B. n. sp. (261) B. reesae, B. housensis (230682) B. sp. (260 77206 77207) B. wellsvillensis, B. housensis (56144) | |
| Guzhangian | USA (Texas) | B. burnetensis (208667 208673 208717 208718 208719 208775 208776) B. prooculis (208993 208995) B. sp. (208672 208715) B. wellsvillensis (208777 208778 208857 208858 208859) | |
| Dresbachian | Canada (Yukon) | B. sp., Hysteropleura schucherti (55211) | |
| Dresbachian | USA (Wyoming) | B. sp. (226) | |
| Merioneth | USA (Wyoming) | B. sp. (219) |