Maretia: Difference between revisions
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* ''[[Maretia cordata]]'' <small>[[Ole Theodor Jensen Mortensen|Mortensen]], 1948</small> |
* ''[[Maretia cordata]]'' <small>[[Ole Theodor Jensen Mortensen|Mortensen]], 1948</small> |
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* ''[[Maretia estenozi]]'' <small>Sánchez Roig, 1926</small> † |
* ''[[Maretia estenozi]]'' <small>Sánchez Roig, 1926</small> † |
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* '' |
* ''Maretia planulata'' <small>([[Jean-Baptiste Lamarck|Lamarck]], 1816)</small><ref>[http://www.marinespecies.org/aphia.php?p=taxdetails&id=205328 WoRMS]</ref> |
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==Description== |
==Description== |
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Revision as of 09:55, 2 August 2019
| Maretia Temporal range:
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| Maretia planulata | |
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| Genus: | Maretia Gray, 1855
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Maretia is a genus of heart urchins belonging to the family Spatangidae.[1][2]
Species
- Maretia carinata Bolau, 1873
- Maretia cordata Mortensen, 1948
- Maretia estenozi Sánchez Roig, 1926 †
- Maretia planulata (Lamarck, 1816)[3]
Description
These sea urchins are irregular, as the mouth is located at the front of the underside of the animal, while the anus is located in rear end position.
Fossil record
Fossils of Maretia are found in marine strata from the Eocene until the Quaternary (age range: from 40.4 to 0.012 million years ago.). Fossils are known from some localities in United Kingdom, United States, Germany, Cuba, Indonesia, New Zealand and Eritrea.[4]
References
- Rowe, F.W.E & Gates, J. (1995). Echinodermata. In ‘Zoological Catalogue of Australia’. 33 (Ed A. Wells.) pp xiii + 510 (CSIRO Australia, Melbourne.)
External links
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