Crotalocephalus
Crotalocephalus is a genus of trilobites that lived from the Late Silurian to the Early Devonian. Its remains have been found in Asia, Australia, Africa, and Europe.
Crotalocephalus | |
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Crotalocephalus sp. from Devonian | |
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Genus: | Crotalocephalus |
Sexual differences between male and female Trilobite
The first sexual different between male and female trilobites proposed by amateur researcher Goo Chee Eng indicate that male will typical have elongated and slim body shape while female have Librigena and Thorax looks side expended and flat. The Thorax portion of the first 6 segment will be inflated for pregnant female as it carry eggs at bottom of this first 6 segment.
![](../I/m/Crotalocephalus_Female_and_Male_Specimen.jpg)
The first sexual different between female(left) and male(right) Crotalocephalus proposed by amateur researcher Goo Chee Eng.
![](../I/m/Plovdiv_Museum_of_Natural_History_-_Fossil_exhibition_-_Crotalocephalus.jpg)
Fossil of Crotalocephalus gibbus from Devonian. Found in Morocco.
![](../I/m/Crotalocephalus_defense_mode.jpg)
Defense mode Crotalocephalus specimen from Goo Chee Eng
![](../I/m/Defense_mode_Crotalocephalus_specimen.jpg)
Defense mode Crotalocephalus specimen
Sources
- Trilobite: Eyewitness to Evolution by Richard Fortey
External links
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Wikimedia Commons has media related to Crotalocephalus. |
Plovdiv Museum of Natural History - Fossil exhibition - Crotalocephalus.jpg
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