Mollisonia sinica
| Mollisonia sinica | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temporal occurrence | ||||||||||||
| lower to middle Cambrian | ||||||||||||
| 513 to 501 million years | ||||||||||||
| Locations | ||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Mollisonia sinica | ||||||||||||
| Zhang , Zhao , Yang & Shu , 2002 | ||||||||||||
Mollisonia sinica is an extinct species from the genus Mollisonia with an uncertain position within the arthropods (Arthropoda). The specific epithet sinica is the Latin name of China .
features
Mollisonia sinica was elongated, almost rectangular in the dorsal and almost triangular in the transverse view. The dorsal exoskeleton , consisting of a semicircular head shield, seven thorax segments ( tergites ) and a semicircular tail shield, which was a bit more rounded than the head shield, had an axial crest. The thoracic segments were all roughly the same in length and width (5 times as wide as long). The tail shield had two pairs of transverse extensions on the surface.
Limbs have not been preserved.
Locations
4 specimens of the species were found in the Kaili formation in China .
Systematics
Mollisonia sinica is one of three known species of the genus Mollisonia and the first representative of the genus from China.
swell
literature
- Zhang X.-L., Zhao Y.-L., Yang R.-D., Shu D.-G .: The Burgess Shale arthropod Mollisonia (M. sinica new species): New occurrence from the middle cambrian Kaili fauna of southwest China . Journal of Paleontology 76 (6), 2002: 1106-1108. HTML
- DEG Briggs, BS Lieberman, JR Hendricks, SL Halgedahl, RD Jarrard: Middle Cambrian Arthropods from Utah . Journal of Paleontology 82 (2), 2008: 238-254. HTML