WoRMS taxon details

Checked: verified by a taxonomic editorPseudoctomeris Poltarukha, 1996

534821  (urn:lsid:marinespecies.org:taxname:534821)

accepted
Genus
marine
Chan, Benny K.K.; Van Syoc, R. (2017). Pseudoctomeris Poltarukha, 1996. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=534821 on 2017-12-14

Date
action
by
2010-10-22 06:14:53Z
created
2013-07-02 10:27:32Z
changed
2013-09-04 20:53:37Z
changed
2017-10-12 14:30:12Z
changed

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basis of record Chan, B. K. K.; Corbari, L.; Rodriguez Moreno, P. A.; Tsang, L. M. (2017). Molecular phylogeny of the lower acorn barnacle families (Bathylasmatidae, Chionelasmatidae, Pachylasmatidae and Waikalasmatidae) (Cirripedia: Balanomorpha) with evidence for revisions in family classification. Zoological Journal of the Linnean Society. 180(3): 542-555., available online at https://doi.org/10.1093/zoolinnean/zlw005 [details]   
From editor or global species database
Checked: verified by a taxonomic editorAdditional information Pseudoctomeris sulcata was grouped with Pachylasma in the molecular phylogeny tree in Chan et al. (2017). P. sulcata was first identified as Octomeris sulcata by Nilsson-Cantell (1932) and classified in the Chthamalidae. However, Hiro (1939) reexamined Pseudoctomeris in detail and revealed that P. sulcata shared morphological similarities with Octomeris and Pachylasma. P. sulcata was similar to Pachylamsa because it had Pachylasma-type opercular plates and a compound rostrum, in which the rostrum was joined with rostral laterals by a straight suture. Furthermore, P. sulcata has caudal appendages, whereas Octomeris lacked caudal appendages. Hiro (1939) proposed that P. sulcata should be identified as Pachylasma. However, he believed that Pachylasma is an exclusive deep-sea taxon, whereas Pseudoctomeris is an intertidal inhabitant. He later recognised P. sulcata as a member of Octomeris. Poltarukha (1996), based on the distinct differences between P. sulcata and Octomeris, erected a new genus Pseudoctomeris to accommodate P. sulcata and relocated the genus under the subfamily Euraphinae in Chthamalidae. At present, the molecular and morphological evidence in Chan et al. (2017) suggest that Pseudoctomeris represents only intertidal species in Pachylasmatidae and has eight-plated shells. Written by Benny Chan. [details]