Maretia Explained

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.^[4]

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, Spain, Cuba, Indonesia, New Zealand, and Eritrea and Greece.^[5]

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

• Reef Guide
• Flickr
• Underwater Photographs by P. Rossi

Notes and References

1. http://www.catalogueoflife.org/col/search/scientific/genus/Maretia/match/1 Catalogue of life
2. http://www.ubio.org/browser/details.php?namebankID=4232215 Ubio
3. Kroh, A.; Mooi, R. . 2021 . Maretia . 205328 . 23 September 2021.
4. Moore, R.C. (ed.). 1966-1978. Treatise on invertebrate paleontology. Parts S-U. Echinodermata. 2 Volumes. Geological Society of America and Univer-sity of Kansas, Kansas.
5. http://www.fossilworks.org/cgi-bin/bridge.pl?action=taxonInfo&is_real_user=1&taxon_no=33422 Paleobiologhy Database