Pseudagnostus

Belongs within: Diplagnostidae.

Pseudagnostus is a genus of Late Cambrian agnostids. Its members have a spectaculate cephalon, with the axial glabellar node lying to the rear of the anterior furrow and of the anterolateral lobes, the latter being separated sagitally (Shergold 1980).

<==Pseudagnostus Jaekel 1909S80
    |  i. s.: P. angustilobus Ivshin 1956SS84
    |         P. chinensis (Dames 1883)S80
    |         P. idalis Öpik 1967S80
    |         P. leptoplastorum Westergård 1944SS84
    |         P. prolongusS80
    |         P. pseudocyclopyge Ivshin 1956SS84
    |         P. solusCT83
    |         P. vastulusS80
    |         P. vulgaris Rosova 1960S80
    |--P. (Pseudagnostus)S80
    |    |--*P. (P.) cyclopyge (Tullberg 1880) [=Agnostus cyclopyge]S80
    |    |--P. (P.) aulax Shergold 1980S80
    |    |--P. (P.) bulgosus Öpik 1967S80
    |    |--P. (P.) communis (Hall & Whitfield 1877) [=Agnostus communis]S80
    |    |--P. (P.) mortensis Shergold 1980S80
    |    |--P. (P.) orientalisS80
    |    |--P. (P.) parvus Shergold 1980S80
    |    |--P. (P.) primus Kobayashi 1962S80
    |    `--P. (P.) tricanthus Shergold 1980S80
    |--P. (Pseudagnostina Palmer 1962)S80
    `--P. (Sulcatagnostus) securiger Lake 1906 [=Sulcatagnostus securiger]S80

*Type species of generic name indicated

References

[CT83] Chen J.-Y. & C. Teichert. 1983. Cambrian Cephalopoda of China. Palaeontographica Abteilung A: Paläozoologie—Stratigraphie 181 (1–3): 1–102.

[S80] Shergold, J. H. 1980. Late Cambrian trilobites from the Chatsworth Limestone, western Queensland. Bureau of Mineral Resources, Geology and Geophysics—Bulletin 186: 1–111.

[SS84] Shergold, J. H., & K. Sdzuy. 1984. Cambrian and early Tremadocian trilobites from Sultan Dağ, central Turkey. Senckenbergiana Lethaea 65 (1–3): 51–135.