Acheroraptor was recovered as a member of the clade containing Eudromaeosauria and Microraptorinae, confirming its referral to the Dromaeosauridae, and possibly to Eudromaeosauria. Both specimens of Acheroraptor were coded as a single taxon into Turner et al. (2012) data matrix, an extensive phylogenetic analysis of theropods that focuses on maniraptorans. The phylogenetic position of Acheroraptor was explored by Evans et al. (2013) using several data matrices. Both specimens were subsequently purchased by the Royal Ontario Museum from a private collector. The holotype specimen was collected on Augby commercial fossil hunters, one of whom also collected the dentary several years later, and who were later able to provide detailed geographic data from GPS and photographs of the specimen in situ in the ground on the day of discovery. Both specimens were collected approximately four metres from one another, from the same mixed faunal bonebed that occurs in the upper part of the Hell Creek Formation of Montana, dating to the latest Maastrichtian stage of the Late Cretaceous, immediately prior to the Cretaceous–Paleogene extinction event. The specific name honours James and Louise Temerty, the chairman of Northland Power and the ROM Board of Governors and his wife, who have supported the museum for many years.Īcheroraptor is known from the holotype ROM 63777, a complete right maxilla with several maxillary teeth (some isolated), and from a referred dentary (lower jaw) ROM 63778, both housed at the Royal Ontario Museum, Canada. The generic name is derived from the Greek Ἀχέρων, Acheron, "underworld", in reference to the provenance from the Hell Creek Formation, and the Latin raptor, "thief". Currie in 2013 and the type species is Acheroraptor temertyorum. He is a tyrant and a bad co-worker.Acheroraptor was first described and named by David C. Henry does not have editing powers today so my thoughts can remain unfiltered. Here is a nice little render to show the differences between the two. Trikes now have a female skin so that you can distinguish between the different sexes. Now that animals can spawn in groups the team figured it was important that they had a bit more variety. If you've been following my Twitch you might have seen that I have done a number of things for Saurian in the past few week, but those wont be implemented for a while so we are going to talk about something that should be implemented soon. In addition to this, both crocodilians received a nerf as well as they were a little too tough - they weren't lowered too much though, they shouldn't be easy! Jake These two animals should be more evenly matched now, instead of the herbivore having a severe advantage as before. Primarily, this meant giving a slight increase to the stats of the Dakotaraptor while slightly lowering the stats of the adult Pachycephalosaurus in relation. My goal with this was mostly to reduce the size of the numbers being used to make balancing easier for myself in the future when adding new creatures, but it also allowed me to make some changes to address common complaints from our players related to different animal combat strengths. This includes any numerical value related to our combat system bite damage, amount of tissue or armour (which contribute to total hit points), etc. Over the last week or so I have been completely redoing the statistics for all of our animals.
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