Placinolopha spp.

Łukowiak, Magdalena, Pisera, Andrzej & Stefanska, Tetiana, 2019, Uncovering the hidden diversity of Paleogene sponge fauna of the East European Platform through reassessment of the record of isolated spicules, Acta Palaeontologica Polonica 64 (4), pp. 871-895 : 890

publication ID

https://doi.org/ 10.4202/app.00612.2019

persistent identifier

https://treatment.plazi.org/id/AE74871F-B86B-B73B-FCF7-F94DFE98FEE4

treatment provided by

Felipe

scientific name

Placinolopha spp.
status

 

Placinolopha spp.

Fig. 8F–K, O View Fig .

Material.—Lower, middle, upper Eocene, south-central Ukraine.

Remarks. —Many spicules display features characteristic for the sponges of the smallest modern sponge class, Homoscleromorpha. They are characterized by the lophate actine tips. There are several 500–600 μm long lophodiactines ( Fig. 8F–H, O View Fig ) that resemble amphiclads of the Recent species Placinolopha sarai Lévi and Lévi, 1989 (compare Lévi and Lévi 1989: fig. 13). In turn, some lophoclathrops ( Fig. 8I, J View Fig , possibly K) with long lophate clads characterize modern Placinolopha moncharmonti Sarà, 1960 (compare Sarà 1960: fig. 1).

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