Heliopeltis johnsoni
- 演化之聲
- Mar 18
- 1 min read
Age
Devonian（Eifelian）
388 Ma
Taxonomy
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Corynexochida
Family: Scutelluidae
Genus: Heliopeltis
Species: Heliopeltis johnsoni
Morphological description
Heliopeltis johnsoni has a body length of approximately 5.5 cm. The glabella is prominently raised. Each eye lobe bears two spines of unequal size, one large and one small. The genal spines are long, and both the occipital spine and pleural spines are also well developed and elongated. The pygidial spines are similarly long. The thorax consists of ten segments, and the pygidium is triangular in shape.
Etymology
helio: Greek for 'sun'
peltis: Greek for 'shield'
johnson: a surname, honoring the provider of the paratype specimen
Biological description
This species was discovered in Morocco and represents the type species of the genus Heliopeltis. Its body is covered with numerous long spines arranged in a radiating pattern.
（Author: Bai Leng）
References
Raimund Feist; Brian D. E. Chatterton (2015). Kolihapeltine trilobites, the spiniest scutelluids from the eastern Anti-Atlas (Morocco, Early Devonian): evolution, environment and classification. Papers in Palaeontology
白水. 三葉蟲圖鑑 V1.1
32.74, -6.213
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