Lisaniidae

Cranidium of Eoshengia, from here.


Belongs within: Ptychopariida.

The Lisaniidae are a group of small trilobites known from the upper Middle Cambrian of Eurasia (Hong et al. 2003).

Characters (from Hong et al. 2003): Small, convex; glabella large, subquadrate; frontal area short, flat to convex.

<==Lisaniidae
    |--Lisania Walcott 1911 [incl. Aojia Kobayashi 1935] HLC03
    |--Redlichaspis Kobayashi 1935 [=Lisaniella Chang 1963] HLC03
    |--Shengia Xiang in Egorova et al. 1963 HLC03
    |--Platylisania Zhang & Jell 1987 HLC03
    `--Eoshengia Yang 1978 HLC03
         |--*E. subquadrata Yang 1978 HLC03
         |--E. constricta Zhang 1981 HLC03
         |--E. dongqinlingia Yan in Yang et al. 1991 HLC03
         |--E. gaoqiaogouensis Yang & Liu in Yang et al. 1991 HLC03
         |--E. jiudiantangensis Yang 1978 HLC03
         |--E. paragenalata Yang 1978 HLC03
         |--E. paratenuis Yang in Yang et al. 1991 HLC03
         |--E. parva Yang in Yang et al. 1991 HLC03
         |--E. quadrata Yang 1978 HLC03
         |--E. rigida Yan in Yang et al. 1991 HLC03
         |--E. shorteglabella Yang & Liu in Yang et al. 1991 HLC03
         |--E. spinosa Yang 1978 HLC03
         |--E. sudani Jell & Hughes 1997 HLC03
         |--E. tenuis Zhang 1981 HLC03
         |--E. xinjiangensis Zhang 1981 HLC03
         `--E. youshuiensis (Yang 1978) HLC03

*Type species of generic name indicated

REFERENCES

[HLC03] Hong, P. S., J. G. Lee & D. K. Choi. 2003. Trilobites from the Lejopyge armata zone (upper Middle Cambrian) of the Machari Formation, Yongwol Group, Korea. Journal of Paleontology 77 (5): 895–907.

No comments:

Post a Comment

Markup Key:
- <b>bold</b> = bold
- <i>italic</i> = italic
- <a href="http://www.fieldofscience.com/">FoS</a> = FoS