// Workers AI · dad joke modeWhat did Dollocaris say? "I'm shell-shocked.
| Dollocaris Temporal range: | |
|---|---|
 | |
| Reconstruction of Dollocaris ingens | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Thylacocephala |
| Order: | †Conchyliocarida |
| Family: | †Dollocarididae |
| Genus: | †Dollocaris van Straelen 1923 |
| Type species | |
| Dollocaris ingens van Straelen, 1923[1] | |
Dollocaris is an extinct genus of thylacocephalan that lived during the Jurassic period. Fossils have been found in France, specifically the La Voulte-sur-Rhône lagerstätte. It is known for its massive compound eyes, giving Dollocaris a rather characteristic appearance. One species is currently known, D. ingens.[1]
Description
[edit]Adult specimens of Dollocaris measured over 30 cm (12 in) in length.[2] It sported a row of small appendages to assist in swimming, as well as three pairs of clawed segmented legs,[3] but it was probably a poor swimmer, instead depending on ambush to hunt prey. It is known for its well-preserved, large compound eyes, sporting well-preserved individual retinula cells, which assisted in catching prey.[4][5]
References
[edit]- 1 2 "Fossil specimen - Dollocaris ingens VAN STRAELEN, 1923". science.mnhn.fr.
- ↑ Charbonnier, Sylvain; Vannier, Jean; Hantzpergue, Pierre; Gaillard, Christian (2010). "Ecological Significance of the Arthropod Fauna from the Jurassic (Callovian) La Voulte Lagerstätte". Acta Palaeontologica Polonica. 55 (1): 111–132. Bibcode:2010AcPaP..55..111C. doi:10.4202/app.2009.0036. ISSN 0567-7920.
- ↑ "Extinct crustacean Dollocaris was all eyes". phys.org.
- ↑ "All eyes on me: Jurassic crustacean had largest peepers". Earth Archives.
- ↑ Vannier, Jean; Schoenemann, Brigitte; Gillot, Thomas; Charbonnier, Sylvain; Clarkson, Euan (January 19, 2016). "Exceptional preservation of eye structure in arthropod visual predators from the Middle Jurassic". Nature Communications. 7 (1) 10320. Bibcode:2016NatCo...710320V. doi:10.1038/ncomms10320. PMC 4735654. PMID 26785293 – via www.nature.com.
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