| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hazelia
Taxonomy
Hazelia was named by Walcott (1920) [Sepkoski's age data: Cm Boto-u Cm uMid-m Sepkoski's reference number: 766,883,1019]. It is not extant. Its type is Hazelia palmata. It is the type genus of Hazeliidae.
It was assigned to Haplosclerida by Sepkoski (2002); to Hazeliidae by Rigby (1987) and Finks et al. (2004); and to Demospongia by Bambach et al. (2007).
It was assigned to Haplosclerida by Sepkoski (2002); to Hazeliidae by Rigby (1987) and Finks et al. (2004); and to Demospongia by Bambach et al. (2007).
Species
H. conferta, H. crateria, H. delicatula, H. dignata, H. grandis, H. lobata, H. luteria, H. nodulifera, H. obscura, H. palmata (type species), H. walcotti
Synonymy list
| Year | Name and author |
|---|---|
| 1920 | Hazelia Walcott |
| 1987 | Hazelia Rigby |
| 2002 | Hazelia Sepkoski |
| 2004 | Hazelia Finks et al. p. 26 |
| 2007 | Hazelia Bambach et al. p. S80 |
Is something missing? Join the Paleobiology Database and enter the 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.
G. †Hazelia Walcott 1920
show all | hide all
†Hazelia conferta Walcott 1920
†Hazelia crateria Rigby 1986
†Hazelia delicatula Walcott 1920
†Hazelia dignata Walcott 1920
†Hazelia grandis Walcott 1920
†Hazelia lobata Rigby and Collins 2004
†Hazelia luteria Rigby 1986
†Hazelia nodulifera Walcott 1920
†Hazelia obscura Walcott 1920
†Hazelia palmata Walcott 1920
†Hazelia walcotti Resser and Howell 1938
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
| Source: g = genus, c = class | |||||
| References: Caron and Jackson 2008, Kiessling 2004, Whittington et al. 1997 | |||||
Age range: base of the Atdabanian to the top of the Menevian or 521.00000 to 499.50000 Ma
Collections (58 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Atdabanian | China (Yunnan) | H. palmata (68083 86851) H. sp. (86929 86930) | |
| Nangaoian | China (Hubai) | H. sp. (219687) | |
| Nangaoian | China (Yunnan) | H. sp. (132329 132330) H. sp.nov (194143 194150 194153 194155 194160 194161 194162 194163) | |
| Dyeran | USA (Pennsylvania) | Leptomitus walcotti (192 226192) | |
| Dyeran - Delamaran | USA (Pennsylvania) | H. walcotti (121236) | |
| Delamaran | Canada (British Columbia) | H. conferta (121959) H. dignata (121964) H. palmata (121960 121961) H. palmata, H. conferta, H. crateria, H. delicatula, H. dignata, H. luteria, H. obscura, H. lobata, H. nodulifera (121962) H. palmata, H. conferta, H. delicatula, H. grandis (121957) H. palmata, H. dignata (121963) H. sp. (84412 84413 84414 84415 84416 84417 84418 84419 84420 84421 84422 84423 84424 84425 84426 84427 84428 84429 84430 84431 84432 84433 84434 84435 84436 84437) | |
| Middle Cambrian | Canada (Brithish Columbia) | H. sp. (188664) | |
| St Davids | Canada (British Columbia) | H. delicatula (122094) H. sp. (215) | |
| Menevian | USA (Utah) | H. palmata (7909) H. sp. (230681) | |
| Marjumian | USA (Utah) | Archaeoscyphidae indet. (261) H. palmata (230679) |