Talk:Pentacrinites

Temporal distribution
I have some doubt about the correctness of the very wide temporal distribution currently indicated. I found one source, stating the range from the Middle Permian to the Eocene. However all other sources present Lower and Middle Jurassic species only. The site of the NHM (see reflist) states: "... they appear to have become extinct at the end of the middle Jurassic."-Dwergenpaartje (talk) 12:06, 28 January 2014 (UTC)

Authority of Pentacrinites
Pentacrinites gives as generic authority Goldfuss, 1831, and (Blumenbach, 1804) as the author of the type species P. fossilis. So far so good, but in my search for the original combination, I come across this publication. This provides both the combination Pentacrinites fossilis and a description! However, it is in German and not in Latin. As far as I remember, before a certain date, publication in other languages than Latin renders the description invalid, and this may have been the reason for Goldfuss to publish the name again. In this case, the authority should actually read: "Blumenbach, 1804 ex. Goldfuss, 1831". I am unaware of any guideline for Wikipedia for such a situation. -Dwergenpaartje (talk) 21:56, 8 February 2014 (UTC)
 * From what I can tell, it should be Pentacrinites Blumenbach, 1804. There hasn't been a point where the genus was renamed or synonymized.  The World register of marine species list is as Blumenbach, 1804, and the article here doesnt have a reference for the Goldfuss, 1831, so I would remove it entirely.  Hope this helps a little!.-- Kev  min  § 17:40, 10 February 2014 (UTC)[copied from Kevmin's talkpage by Dwergenpaartje]