Roachoid - Wikipedia
"Roachoids", [1] also known as "Roachids", "Blattoids" [2] or Eoblattodea, [3] are members of the stem group of Dictyoptera (the group containing modern cockroaches, termites and praying mantises).
Old, But Not That Old: Debunking the Myth of Ancient Cockroaches
2017年10月10日 · The oldest cockroach fossils are only 125-140 million years old, not 300 million years old as some claim. Learn how to distinguish true cockroach fossils from roachoid fossils and why fossil calibrations are important for understanding cockroach evolution.
Phylogeny of Dictyoptera: Dating the Origin of Cockroaches, …
2015年7月22日 · Since the nineteenth century, cockroaches are thought to be very ancient because of numerous cockroach-like Palaeozoic and Mesozoic fossils (also called “roachoids”), and traditionally conceived as ancestral to termites and praying mantises [43–48]. The best preserved female “roachoid” fossils show external ovipositors (long or short ...
The First Representative of the Roachoid Family Spiloblattinidae ...
2022年9月12日 · Here, the first Iberian representative of these roachoids is described as a new ‘form’ closely related to the Gzhelian–early-middle Asselian ‘zone species’ and ‘forms’. It supports the latest Gzhelian age of the concerned outcrop, …
Mazon Monday #46: Insects Part 4 - Roachoids #fossils
2021年2月8日 · The majority of all known Carboniferous fossil insects are roachoids, though they are not common in the Mazon Creek Fauna, and are now believed to represent far fewer species than in the past. About 90 percent of all fossil roachoids consist of …
The beetle-like Palaeozoic and Mesozoic roachoids of the so …
2014年10月1日 · Another significant feature of this group shared with the other extinct “roachoids” is the presence of an external ovipositor, which would prevent its placement among modern cockroaches, but not necessarily in the crown-group Dictyoptera because modern mantises also have short external ovipositors.
A new insect order in the roach–mantodean twilight zone
2016年11月1日 · Differing from “roachoids” (stemgroup Dictyoptera) and Blattodea (including termites [Isoptera]) by the presence of a profemoral brush and interantennal and parietal ridges.
An integrative phylogenomic approach illuminates the …
2019年1月23日 · Cockroach-like insects with long ovipositors, so-called ‘roachoids’, occurred in the Carboniferous and Permian (figure 2; e.g. [8,18]). Some of them are likely representatives of stem-Dictyoptera (electronic supplementary material, S2), while the precise phylogenetic position of others remain unresolved.
Full article: Voices of the past: a review of Paleozoic and Mesozoic ...
Roachlike insects from as early as the Carboniferous Period are often placed in Blattaria, but as a group Paleozoic ‘roachoids’ are paraphyletic with respect to Isoptera (termites), Mantodea …
What is the roachoid genus Eneriblatta (Dictyoptera: …
2019年9月4日 · The roachoids, or stem-group Dictyoptera, are among the earliest known winged insects of the Carboniferous coal forests (e.g. Zhi-jun et al. 2013). Even, they are still frequently considered as tru...
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