Opabinia regalis is an extinct, stem group arthropod found in the Middle Cambrian Burgess Shale Lagerstätte (505 million years ago) of British Columbia...

extinct family of marine stem-arthropods. Its type and best-known genus is Opabinia. It also contains Utaurora, and Mieridduryn. Opabiniids closely resemble...

arthropod. For example, Graham Budd's analyses of Kerygmachela in 1993 and of Opabinia in 1996 convinced him that these animals were similar to onychophorans...

group compose of Radiodonta (Anomalocaris and relatives), Opabiniidae (Opabinia and relatives), and the "gilled lobopodians" Pambdelurion and Kerygmachelidae...

he wanted to call his book Homage to Opabinia. Gould wrote: I believe that Whittington's reconstruction of Opabinia in 1975 will stand as one of the great...

Opabinia sparked modern interest in the Cambrian explosion...

the Burgess Shale fauna. Several of the finds, including the enigmatic Opabinia and Anomalocaris have some, though not all, features associated with arthropods...

pteryx. Others pointed to a general resemblance between Tullimonstrum and Opabinia regalis, although Cave et al. note that they were too morphologically dissimilar...

far the only other known unquestionable opabiniid, with the other being Opabinia itself. There are other animals like Myoscolex and Mieridduryn that could...

researchers that many of the Burgess Shale's "weird wonders", such as Opabinia and Hallucigenia, were evolutionary "aunts and cousins" of present-day...

early marine predator, a member of the stem-arthropod group Radiodonta Opabinia was a bizarre stem-arthropod that possessed five stalked eyes, and a fused...

al. place the species in the arthropod clade containing Anomalocaris, Opabinia, Pambdelurion and Kerygmachela. Smith, Martin R.; Long, Emma J.; Dhungana...

"Xenusians" or "Xenusiids" (class Xenusia). Certain Dinocaridid genera, such as Opabinia, Pambdelurion, and Kerygmachela, may also be regarded as lobopodians, sometimes...

the most publicity, for example: Whittington's first presentation about Opabinia made the audience laugh. The reconstruction showed a soft-bodied animal...

Cambrian life: a commentary on Whittington (1975) 'The enigmatic animal Opabinia regalis, Middle Cambrian, Burgess Shale, British Columbia'". Philosophical...

lobopodians with gill-bearing lateral flaps and also includes Kerygmachela and Opabinia. The gilled lobopodians are the closest relatives of the arthropods among...

hypothesis derives tactopoda from a clade encompassing dinocaridids and Opabinia. The enigmatic panarthropodan Sialomorpha found in 30-million year old...

mixture of characters resembling various Cambrian arthropod taxa, notably Opabinia (eyes), radiodonts (frontalmost appendages) and megacheirans (trunk). The...

a member of any known arthropod class. Organisms such as the five-eyed Opabinia and spiny slug-like Wiwaxia were so different from anything else known...

arthropod-like organisms found in the Burgess Shale. Other examples are Opabinia and Yohoia. The unusual and varied characteristics of these creatures were...

only the slightest resemblance to other known animals. Examples include Opabinia, with five eyes and a snout like a vacuum cleaner hose and Hallucigenia...

the large bio-diversification event that occurred during the Cambrian. Opabinia, a genus of bizarre stem-group arthropod distantly related to the radiodonts...

Kimberichnus Vernanimalcula Burgess-type Marrella Radiodonts Halwaxiids Opabinia Odontogriphus Small shelly fauna Helcionellids Evolutionary concepts Trends...

Opabinia †...

Opabinia Radiodonta Euarthropoda...

explosion. Invertebrates are grouped into different phyla (body plans). Opabinia, an extinct stem group arthropod appeared in the Middle Cambrian: 124–136 ...

When it was first described, the Cambrian fossil Opabinia was thought to be unrelated to any known phylum. Later discoveries have shown it to be closely...

stem-arthropods like gilled lobopodians (Pambdelurion and Kerygmachela), Opabinia and radiodonts (Anomalocaris, Hurdia and so on). Erratus was a member of...

lagerstätte increased interest in the issue when it revealed animals, such as Opabinia, which did not fit into any known phylum. At the time these were interpreted...

Kimberichnus Vernanimalcula Burgess-type Marrella Radiodonts Halwaxiids Opabinia Odontogriphus Small shelly fauna Helcionellids Evolutionary concepts Trends...