Search the Community
Showing results for tags 'photographs'.
-
I've found five Petalodus teeth and have been spending a lot of time reading research papers on them. I got the idea of trying to get released photographs for the 16 holotypes of named species within the Paleobiological database. I got the 16 named species from a list here: http://fossilworks.org/?a=referenceInfo&reference_no=42606 Petalodus ohioensis was easy enough to find, Yale publishes some of their collection online. Unfortunately the one in their collection is only a cast. The original may be lost. This paper has a few, including ohioensis. Taxonomic validity of Petalodus ohioensis (Chondrichthyes, Petalodontidae) based on a cast of the lost holotype – K. Carpenter, W. Itano Here are the 16 I am trying to get. I've asked permission for allegheniensis and I have ohioensis. I need to see if there are holotypes for the other 14 and which collections they are stored. I would love to create a public open web page that shows all 16 (if they exist). Petalodus acuminatus 1836 (Agassiz) Petalodus allegheniensis 1856 (Leidy) Petalodus arcuatus 1870 (St. John) Petalodus curtus 1870 (Newberry and Worthen) Petalodus davisii 1889 (Woodward) Petalodus flabellula 1889 (Woodward) Petalodus grandis 1883 (Davis) Petalodus hastingsiae 1840 (Owen) Petalodus hybridus 1875 (St. John and Worthen) Petalodus jewetti 1957 (Miller) Petalodus knappi 1879 (Newberry) Petalodus linearis 1838 (Agassiz) Petalodus linguifer 1866 (Newberry and Worthen) Petalodus ohioensis 1853 (Safford) Petalodus proximus 1875 (St. John and Worthen) Petalodus sagittatus 1843 (Agassiz) I am going to continue down the road, but figured I would raise the issue here. One road block is that some of the original teeth may be described in non-english research papers. Thank you!
- 3 replies
-
- 3
-
- information
- petalodus
-
(and 1 more)
Tagged with:
-
I have a project on the go at the moment sorting through 1000s of fossil shark teeth from Morocco to make artificial tooth sets. Thanks to everyone who helped supply them. Well - I realised the actual process from the teeth being extracted to the end buyer is a bit of a mystery to me. What do the deposits look like in the quarry? What does the average collector go through to collect the teeth? What is the typical chain of transactions that occurs on the way out of the mines and Morocco. I've heard that you can buy outside the mines, and I've also heard that the locals are very protective of their mark-up so may like to protect the chain of transactions so everyone gets a cut. I'd love to hear about what people know about this - especially those who have visited Morocco. I would also love to see photos of the mines and of people collecting the teeth. I've found one or two photos on the net, but I bet there are more out there...... It would add to my experience of collecting and handling these fossils. Thanks!
- 2 replies
-
- morocco
- phosphate mines
-
(and 1 more)
Tagged with:
-
Hello! I put a few Mazon Creek photos up on a photo sharing site. They're free to download / use for anything. Right now, there's a fern https://pixabay.com/en/fossil-fern-rock-paleontology-2174006/ annularia https://pixabay.com/en/fossil-rock-concretion-mazon-creek-2163770/ & this one I call Mazon Creek Daydreams https://pixabay.com/en/fossils-rocks-monotonous-content-2174005/ Anyway, I figured if anyone would want pictures of fossils, they'd be on this site. Let me know what you think and if they're useful. Not sure if there's a need for pictures of fossils.... Kim