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Hexactins in the 'protomonaxonid' sponge Choiaella and proposal of Ascospongiae (class nov.) as a formal replacement for the Protomonaxonida

期刊: BULLETIN OF GEOSCIENCES, 2021; 96 (3)

The protomonaxonid sponges are a controversial early group with supposed ties to the demosponges, but the group also possesses features that imply a m......

A new Devonian harvestman from the Rhynie chert (Arachnida: Opiliones)

期刊: BULLETIN OF GEOSCIENCES, 2020; 95 (3)

With over 6,600 described species, harvestmen represent a morphologically and ecologically diverse group of arachnids with a cosmopolitan distribution......

New edrioasteroid (Echinodermata) from the Spence Shale (Cambrian), Idaho, USA: further evidence of attachment in the early evolutionary history of edrioasteroids

期刊: BULLETIN OF GEOSCIENCES, 2019; 94 (1)

A new species of Totiglobus, T. spencensis (class Edrioasteroidea, order Edrioasterida), is reported from the Spence Shale (Cambrian: Miaolingian Seri......

JIF:1.5

New data for Isoxys of the Balang Fauna (Cambrian Stage 4), South China

期刊: BULLETIN OF GEOSCIENCES, 2018; 93 (2)

Isoxys Walcott, 1890 is a large bivalved arthropod taxon, commonly occurring in the Cambrian Series 2-3. Here, we report on a new group of Isoxys from......

JIF:1.5

A candidate stem-group rossellid (Porifera, Hexactinellida) from the latest Ordovician Anji Biota, China

期刊: BULLETIN OF GEOSCIENCES, 2018; 93 (3)

The living hexactinellid sponge family Rossellidae is characterised by hypodennal pentactine prostalia and reduction of hexactins to diactins in irreg......

JIF:1.5

Fossilized gut of the trilobite Lioparia bassleri and the distribution of exceptional preservation in the Cambrian Stage 4-Drumian Manto Formation of North China

期刊: BULLETIN OF GEOSCIENCES, 2018; 93 (4)

The preservation of digestive structures of trilobites is not unique but recognition and reporting about these remains are rare. Here we describe a sp......

JIF:1.5

Early Ordovician black corals from China

期刊: BULLETIN OF GEOSCIENCES, 2017; 92 (1)

Despite the importance of black corals in modern coral faunas and marine ecosystems, they were unknown in the fossil record until the recent discovery......

JIF:1.39

Conodont biostratigraphy of the Nalai section (Guangxi) and new data on the age of the Zdimir beds in South China

期刊: BULLETIN OF GEOSCIENCES, 2017; 92 (4)

The conodont biostratigraphy of the lower part of the Beiliu Formation at the Nalai, Guangxi is described. The association of Polygnathus serotinus, P......

JIF:1.39

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