May 22, 2024 · Most people yawn at the mention of graptolites (myself included), but as far as they go these ones are quite cool! We recently set out in search of a site we visited years ago, but had since lost. The site was a roadside in the vicinity of Mt. Canobolas in central western NSW with road base that ...

Jan 14, 2025 · I'm curious as to what this graptolite-looking thing is. It's very small (1cm) and it took me 6 months to notice. The contrast is pretty bad, as it is black on very dark grey, but please have a go if you feel like it. Neuville Formation, Quebec Ordovician (Katian?) Each little white bar …

Dec 24, 2019 · Locally, graptolites are very common in the Maquoketa/ Ordovician rock. They present themselves as 2 dimensional creatures on certain bedding planes. Below the Maquoketa is our Galena. It has graptolites but uncommon. Again, they present themselves as 2 dimensional. The "unknown" specimen from th...

Aug 26, 2024 · Graptolite Kingdom: Animalia Phylum: Pterobranchia Class: Graptolithina Order: Graptoloidea Family: Monograptidae Genus: Oktavites Species: Oktavites spiralis Lower Graptolitic Shales (informal) O. spiralis Zone Eon: Phanerozoic Era: Paleozoic Period: Silurian Sub Period: None Epoch: Early International Age: Llandovery/ Telychian Zdanow section, …

Dec 24, 2017 · Diplograptus amplexicaulis Graptolite & Cryptolithoides ulrichi Trilobite on matrix SITE LOCATION: Viola Limestone, Murray County, Oklahoma, USA TIME PERIOD: Ordovician Period (445-485 Million Years ago) Data: Diplograptus was a Cambrian genus of graptolites. Graptolithina is a class of hemic...

Jun 9, 2018 · Hello Everyone Today my dad and I visited Bullengarook slate quarry to hunt for some graptolites. The site is aged middle Ordovician and was originally used for slate and gold mining in the 1800s I believe. There was many mine shafts still present and accessible at the site but I decided not to e...

Oct 30, 2017 · The reverse of this piece has specimens of Tetragraptus serra. and this side shows fragments of other graptolites, possibly Tetragraptus and / or other Dichograptids.

Jul 8, 2020 · Why do you think graptolite? I'm not sure I see fossils in any of these. What is the geological setting?

Nov 12, 2020 · Not what I think of first hearing graptolite, but there was high diversity. It is somewhat similar to the examples in the top row of this illustration from the wiki-entry about graptolites.

Aug 10, 2016 · Especially this one intrigues me. I found it about 32 years ago in an abandoned quarry in the Belgian Ardennes. Ususally Ardennes fossils are quite old (+300M) and back then, as a 12 year old obsessed teenager, I started looking into the library to find answers about the origin of this one. I concluded it must be a graptolite, because of the "dents" on the inside and …