Species

Allonema aggregatum Ulrich et Bassler, 1904

https://files.geocollections.info/large/1f/07/1f07e9b0-f239-4cba-a476-fd682a0c29dd.jpghttps://files.geocollections.info/large/e4/f9/e4f9a832-68ee-4b54-b1a2-6a73089ffec3.jpg
Taxon description

Jarochowska et al., 2016b

Diagnosis (emended).–A. aggregatum is distinguished from other species of Allonema by vesicle length to width ratio below 2:1 (Fig. 6) and the large size of vesicles –length larger than ca 350 μm and width larger than ca 300 μm.

Synonymy list
1904     Allonema moniliforme var. aggregatum var. nov. — Ulrich & Bassler , pp. 282-283 , fig. Pl. 67
1965     Allonema moniliforme aggregatum Ulrich & Bassler, 1904 — Kiepura , pp. 28-30 , fig. ig. 5, pl. 5, figs 1, 2
2016     Allonema aggregatum (Ulrich & Bassler, 1904) — Jarochowska et al. , pp. 10 , fig. Fig.4
Selection of related publications
Jarochowska, E., Hierl, F., Vinn, O., Munnecke, A. 2016. Reducing taxonomic noise in problematic fossils: revision of the incertae sedis genus Allonema based on shape analysis. Bulletin of Geosciences 91, 1, 97-110. DOI:10.3140/bull.geosci.1588
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Classification
References based on distribution