Jump to content

Ordovician Trilobites near Parkes, Australia


Recommended Posts

Just got back from a trip to Forbes, NSW a couple of days ago. Found some great stuff! But after that we checked out a site mentioned very vaguely in an old paper and were pretty successful! 

The site which is located near Parkes, NSW has Late Ordovician trilobites and other fauna. From what I can gather most of the species from the site are undescribed(?). Anyway, here are a few of my finds, maybe @piranha could help out with some ID's.

Oh and I haven't finished prepping these specimens, but I'll post them when I have, although it may be a while since my airscribe has decided to break  :P 

 

Crinoid

5bb53e1972962_ScreenShot2018-10-04at8_09_05am.png.89451e7b1e53121acbaf4307a4f3cddd.png

 

Undescribed calymenid

5bb53e4bd8e94_ScreenShot2018-10-04at8_09_59am.png.b22289808c3a6dda0ea5a64acf532442.png

 

 

Unidentified trilobite cephalon

5bb53ea901cbc_ScreenShot2018-10-04at8_11_37am.png.2df6c86fdfb347c4af46d81c1b60c1bd.png

 

 

Another no ID trilobite cephalon. Halfway through prep...

5bb53f1516338_ScreenShot2018-10-04at8_13_24am.png.ec8732ffa2d59736e8d6f57f83a893c2.png

 

 

continued...

 

 

 

  • I found this Informative 3
Link to post
Share on other sites

Found a few of these, but most were missing their cephalons. Maybe I'll find a complete one when I get my new airscribe... Halfway through prep (note that they aren't scratches on the trilobite, just stubborn matrix ;) ):

5bb53fe75b79c_ScreenShot2018-10-04at8_14_08am.png.20acf6b2f14be4a3a1c9cc828fdb79c9.png

 

Two of what I assume are the same species of trilobite

5bb5402d13a06_ScreenShot2018-10-04at8_17_40am.png.9b91939865a9df40595b230cdabd2f13.png

5bb54031ad64a_ScreenShot2018-10-04at8_17_46am.png.06161f0b143048095ae29075d2500a58.png

 

And a Parkesolithus gradyi

5bb54068913b3_ScreenShot2018-10-04at8_18_36am.png.8b310f8c657c1eac29a90b60319d5041.png

 

Expect some pics of the prepped specimens eventually! :D 

  • I found this Informative 3
Link to post
Share on other sites
51 minutes ago, Foozil said:

Expect some pics of the prepped specimens eventually!

:popcorn::popcorn:

 

Looks like You did good.

  • I found this Informative 1
Link to post
Share on other sites

Update:

Apparently some of these faunas are unreported from the Late Ordovician of NSW, i.e no Calymenids or this crinoid, so may have found a good spot! :D 

Link to post
Share on other sites

Looks promising! :popcorn:

  • I found this Informative 1
Link to post
Share on other sites

Looking forward to seeing those bugs prepped!

  • I found this Informative 1
Link to post
Share on other sites

figures from:

 

Edgecombe, G.D., & Webby, B.D. 2007

Ordovician trilobites with eastern Gondwanan affinities from central-west New South Wales and Tasmania.

Memoirs of the Association of Australasian Palaeontologists, 34:255-281   PDF LINK

 

image.thumb.png.06ba9226e5fc50c8ecdd612687c1f99e.png

  • I found this Informative 8
Link to post
Share on other sites
8 minutes ago, piranha said:

figures from:

 

Edgecombe, G.D., & Webby, B.D. 2007

Ordovician trilobites with eastern Gondwanan affinities from central-west New South Wales and Tasmania.

Memoirs of the Association of Australasian Palaeontologists, 34:255-281   PDF LINK

 

image.thumb.png.06ba9226e5fc50c8ecdd612687c1f99e.png

Thanks Piranha, wasn't aware of this paper! 

Link to post
Share on other sites

figure from:

 

Campbell, K.S.W. & Durham, G.J. 1971

Trilobites: An Australian Trinucleid.

Nature, 229:595

 

image.thumb.png.a74e723479bf6bd3952468b98b359f88.png

 

Campbell, K.S.W., & Durham, G.J. 1970

A New Trinucleid Trilobite from the Upper Ordovician of New South Wales.

Palaeontology, 13(4):573-580   PDF LINK

  • I found this Informative 4
Link to post
Share on other sites

Update no. 2:

Looks like the calymenid could be a new species! :D Just waiting to hear what the best NSW trilobite guys have to say...

Link to post
Share on other sites

Congratulations on finding a new and promising trilobite-hunting location!!!  Good luck with the prep and identifications! :popcorn:

  • I found this Informative 1
Link to post
Share on other sites

Interesting! Good work.

There is a possible trilobite site not far from me that might bear new species but I'm more constrained than you are at investigating it. They've pretty much blocked off Joe Public's access to all the back country around here.

  • I found this Informative 1
Link to post
Share on other sites

The long preglabellar field of this calymenid shares similarities with: Sarrabesia or Neseuretus

 

Sarrabesia figs. A-B and text from:

 

Edgecombe, G.D., Banks, M.R., & Banks, D. 1999

Upper Ordovician Phacopida (Trilobita) from Tasmania.

Alcheringa, 23(4):235-257   PDF LINK

 

"Appropriate comparisons are with Neseuretus Hicks, 1873, Neseuretinus Dean, 1967, and Sarrabesia Hammann & Leone, 1997...  ...Accordingly, we interpret the species as closely allied to Sarrabesia but retaining some primitive cephalic characters shared with Neseuretus.  Its formal description requires additional material."

 

Neseuretus fig. 57 from:

 

Hammann, W. 1983

Calymenacea (Trilobita) aus dem Ordovizium von Spanien ihre Biostratigraphie, Ökologie und Systematik.

[Calymenacea (Trilobita) from the Ordovician of Spain their biostratigraphy, ecology and systematics.]

Abh. Der Senckenbergischen Naturforschenden Gesellschaft, 542:1-177

 

image.png.88dd811f784b083bd92a26ecf13fcc2d.png

  • I found this Informative 7
Link to post
Share on other sites

Remopleurides exallos

 

Partial cephalon

5bbc43799cebd_ScreenShot2018-10-09at3_51_00pm.png.51e1356f250b58dafb5ddd2590e836ed.png

 

Thorax and pygidium

IMG_2049.thumb.JPG.4e2e21607e76191bda2997e0bd2d83ff.JPG

  • I found this Informative 1
Link to post
Share on other sites
  • 2 weeks later...

Went back for round 2 a few weeks ago! :D 

A pretty poor but pretty big Eokosovopeltis currajongensis pygidium 

IMG_2080.thumb.JPG.78128005d40f234d78eaafed0b2f16e3.JPG

IMG_2081.thumb.JPG.06fcb0bde7cd19002e7ea70541d56c2f.JPG

  • I found this Informative 2
Link to post
Share on other sites

Gorgeous finds Izak! Wow!

  • I found this Informative 1
Link to post
Share on other sites
7 hours ago, doushantuo said:

Extremely nice finds,Izak.

 

 

58 minutes ago, Max-fossils said:

Gorgeous finds Izak! Wow!

 

Thanks guys! 

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • Recently Browsing   0 members

    No registered users viewing this page.

×
×
  • Create New...