The Shiwangzhuang Formation is a geologic formation in China. It preserves eukaryotic fossils dating back to the Tonian period, around 900-800 Ma.
Paleobiota After Li et al, 2020, Han et al, 2021 and others.
PaleobiotaGenusSpeciesNotesImagesAnqiutrichoidesA. constrictusFilamentous fossil, bears similarities to Eosolenides and Protoarenicola.EosolenaE. magnaFilamentous fossil, member of EosolenidesProtoarenicolaP. baiguashanensis P. baishicunensis P. shijiacunensisAnnulated algal fossil, member of the Huainan biota.PararenicolaP. huaiyanensis P. gejiazhuangensisAnnulated algal fossil, member of the Huainan biota.SinosabelliditesS. huainanensis S. huangshanensisAnnulated algal fossil, member of the Huainan biota.LongfengshaniaL. spFrondose alga, sometimes synonymised with Tawuia.ArctacellulariaA. tetragonalaMicroscopic algaeTawuiaT. dalensisEnigmatic eukaryoteHorodyskiaH. moniliformis H. minorEnigmatic eukaryoteChuariaC. circularisEnigmatic eukaryoteVendotaeniaV. spVendotaenid: enigmatic eukaryote??Jacutianema?J. spEnigmatic eukaryote, assignment to genus dubiousGlomulusG. filamentumCyanobacteriaMucoplagumM. primitivumCyanobacteriaSiphonophycusS. punctatum S. kestron S. solidum S. typicumCyanobacteriaNavifusaN. actinomorpha N. majensisCyanobacteriaLeiosphaeridiaL. jacutica L. tenuissimaAcritarchSimiaS. annulareAcritarchOstianaO. microcystisColonial acritarchSynsphaeridiumS. spColonial acritarchPolysphaeroidesP. filiformisFilamentous acritarchPelliculariaP. teneraFilamentous acritarchPolythrichoidesP. lineatusFilamentous acritarch
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