BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems
Calodiscidae ✝
| Description | The Calodiscidae are a family of trilobites belonging to the order Agnostida that lived during the Lower Cambrian (Botomian and Toyonian). They are small or very small, and have a thorax of two or three segments. The Hebediscidae include five genera (see box). From Wikipedia article at https://en.wikipedia.org/wiki/Calodiscidae, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Source Data |
| ||||||||||||||||||||||||||||||||||||||||||
| Rank | family | ||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (GBIF) | Life : Animalia : Arthropoda : Trilobita : Agnostida : Calodiscidae | ||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Arthropoda : Trilobita : Eodiscida : Calodiscidae | ||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
| ||||||||||||||||||||||||||||||||||||||||||
| Scientific Name | Calodiscidae | ||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
| ||||||||||||||||||||||||||||||||||||||||||
| Status (PBDB) | extinct | ||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 15 | ||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 520 - 516 Ma Cambrian | ||||||||||||||||||||||||||||||||||||||||||
| Last Recorded Appearance | 513 - 501 Ma Cambrian | ||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Motility | fast-moving (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Ontogeny | molting,addition of parts (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | low Mg calcite, chitin (based on Trilobita) | ||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | H. B. Whittington, B. D. E. Chatterton, and S. E. Speyer, R. A. Fortey, RM Owens, W. T. Chang, W. T. Dean, R. A. Fortey, P. A. Jell, J. R. Laurie, A. R. Palmer, L. N. Repina, A. W. A. Rushton, J. H. Shergold, E. N. K. Clakrson, N. V. Wilmot, S. R. A. Kelley. 1997. Trilobita. Introduction, Order Agnostina, Order Redlichiida. Volume 1. Treatise on Invertebrate Paleontology O:1-530 | ||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Calodiscidae |
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
|---|---|---|---|---|---|
| Calodiscus ✝ genus | accepted (GBIF) listed (PBDB) | 26 | 520 Ma Cambrian | 513 Ma Cambrian | |
| Korobovia ✝ genus | accepted (GBIF) listed (PBDB) | 1 | 520 Ma Cambrian | 520 Ma Cambrian | |
| Neocobboldia ✝ genus | accepted (GBIF) listed (PBDB) | 7 | 516 Ma Cambrian | 516 Ma Cambrian | |
| Sinodiscus ✝ genus | accepted (GBIF) listed (PBDB) | 8 | 520 Ma Cambrian | 516 Ma Cambrian |
Synonymy List
| Year | Name and Author |
|---|---|
| 1943 | Calodiscidae Kobayashi p. 38 |
| 1997 | Calodiscidae Whittington et al. p. 390 |
| 2011 | Calodiscidae Adrain p. 104 |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
