This is a list of the fossils found within the Xiaoshiba Biota.

The Xiaoshiba Biota is a lagerstätte from south China, belonging to the Hongjingshao Formation. It dates to roughly 514 mya, near the end of Cambrian Stage 3. This interval lies between the more famous Maotianshan Shales and Burgess Shale in age.

Ecdysozoa

Scalidophora Genus Species Material Notes ImagesParaselkirkia P. sinicaAround 200 specimensSimilar to Selkirkia in appearance, likely generalistic in dietMafangscolex M cf. yunnanensis13 specimensPalaeoscolecid

Panarthropoda

Lobopodia Genus Species Material Notes ImagesCollinsium C. ciliosumThree mostly complete specimensRelated to Acinocricus from North AmericaOmnidens O. amplus ("Omnidens qiongqii" is likely synonymous )Hundreds of oral cones, several frontal appendagesLargest animal of the Cambrian, related to Pambdelurion from Greenland

Arthropoda

Genus Species Material Notes ImagesAlacaris A. mirabilisAround 40 specimensFuxianhuiid, one specimen preserved while moultingChengjiangocaris C. kunmingensisNumerous specimensFuxianhuiidFuxianhuia F. xiaoshibaensisNumerous specimensFuxianhuiidLihuacaris L. feroxSix specimensIndeterminate arthropod, likely a fuxianhuiid

Hymenocarina Genus Species Material Notes ImagesClypecaris C. serrataMultiple complete specimensFirst pair of appendages specialised for predation, carapace serrated Pectocaris P. paraspatiosa P. eurypetala P. spatiosa P. inopinata12 specimens of P. paraspatiosa, 19 specimens of P. spatiosa, 2 specimens of P. eurypetala and one specimen of P. inopinataAll species of Pectocaris presentJugatacaris? J. sp?One partial specimenUnclear whether it belongs to the genus due to its fragmentary nature

Artiopoda Genus Species Material Notes ImagesSidneyia S. minorTwo specimensSmaller tail fluke than other speciesZhangshania Z. typicaNumerous specimens of all agesSynonymous with "Parazhangshania"Zhiwenia Z. coronataFour specimensBasal artiopod, related to Acanthomeridion

Spiralia

Annelida Genus Species Material Notes Images Xiaoshibachaeta X. biodiversaOne mostly complete fossilEarliest fossil of a burrowing annelid known

Mollusca Genus Species Material Notes ImagesWiwaxia W. foliosaSix specimensLacks spines, unlike W. corrugata

Green and red algae Genus Species Material Notes ImagesDoulia D. raraTwo specimensEolaminaria E. simigladiolaThree specimensRugophyca R. longaEight specimensSingulariphyca S. ramosaThirty-five specimens

Miscellaneous/Enigmatic Genus Species Material Notes ImagesProtomelission? P. sp.?Twelve specimensAssignment to the genus dubious due to differing preservation methods

See also List of Guanshan Biota species Paleobiota of the Maotianshan Shales

References