Planorbidella, Waren and Bouchet, 1993

Kiel, Steffen, Aguilar, Yolanda M. & Kase, Tomoki, 2020, Mollusks from Pliocene and Pleistocene seep deposits in Leyte, Philippines, Acta Palaeontologica Polonica 65 (3), pp. 589-627 : 616

publication ID

https://doi.org/ 10.4202/app.00756.2020

publication LSID

lsid:zoobank.org:pub:3B7C70AD-CC73-44D5-921E-B1BA0503FC29

persistent identifier

https://treatment.plazi.org/id/03D8B71B-FFB2-F24D-A03B-FD5A779A944D

treatment provided by

Felipe

scientific name

Planorbidella
status

 

Planorbidella View in CoL ? sp.

Fig. 29D View Fig .

Material.— Three specimens from the Pliocene of Liog-Liog Point ( NMNS PM 28438–28440 ) and one specimen ( NMNS PM 28117 ) from the Pleistocene of Cambantug Point .

Dimensions (in mm).—NMNS PM 28438, W = 2.9, H = 1.3.

Remarks.—Shells of the heterobranch genera Hyalogyra and Hyalogyrina are quite similar, but the “archaegastropod”- type protoconch ( Fig. 29D View Fig 3 View Fig ) makes affinities with the neomphaline Planorbidella more likely. However, the protoconch lacks the irregular net sculpture typical for Planorbidella , but this might be an artefact of preservation.

NMNS

National Museum of Natural Science

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