Panlongia tetranodusa Liu et Luo, 2006

Taxonomy

Kingdom: Animalia
Phylum: Arthropoda Latreille 1829
Class: Artiopoda Hou and Bergstrom, 1997
Order: Nektaspida Raymond, 1920
Family: incertae sedis
Genus: Panlongia
Species: Panlongia tetranodusa
Author Citation Liu et Luo, 2006

Geological Time Scale

Eon: Phanerozoic
Era: Paleozoic
Period: Cambrian
Sub Period: None
Epoch: Series 2 Epoch
International Age: Stage 4

Stratigraphy

Wulongqing Formation

Biostratigraphy

Palaeolenus Zone

Provenance

Acquired by: Purchase/Trade

Location

Longbaoshan
Kunming
Yunnan
China

• Artiopoda
• cambrian
• Kunming
• Panlongia
• TFF-oilshale-Ar2932
• wulongqing

Comments

Taxonomy from Luo and Liu 2024.

Diagnosis for the genus from Luo & Liu 2024, p.308: 'Small artiopod. General outline oval. Dorsum divided into cephalic shield and pygidial shield, plus four thoracic tergites. Dorsal exoskeleton with poorly defined axial region and no well-developed axial furrows. Cephalic part semicircular, covering a bipartite, elongate hypostome, uniramous antennae and three pairs of appendages. Four thoracic segments, each covering a single pair of appendages. Pygidium large, covering at least nine pairs of appendages. All postantennal appendages biramous. Digestive system comprising the oesophagus, tripartite stomach and paired digestive glands along the alimentary tract.'

Reconstruction from Liu et al., 2006, p. 386:

References:
Liu, Q., Luo, H., Chen, L., & Hu, S. (2006). Panlongia, A new trilobitomorph genus from the Lower Cambrian, Kunming, Yunnan. Acta Palaeontologica Sinica, 45(3), 384-392.
Shengxiang Luo & Jianni Liu (2024). Exceptionally preserved Panlongia tetranodusa from the early Cambrian sheds light on the evolution of arthropods. Science Bulletin, Volume 69, Issue 3, Pages 308-313.