stages (Olenellus-zone), 522 to 510 million years ago, in what is currently North-America, part of the palaeocontinent Laurentia. Olenellus means small...

occurs in the middle Upper Olenellus-zone of Vermont (Parker Slate, Georgia). M. bonnensis has been found in the Olenellus-zone of Newfoundland, Canada...

been proposed to subdivide the Olenellus-zone. The following zones have been proposed to replace the Upper Olenellus-zone. Each lower boundary is defined...

(Lower Cambrian) Buenellus (Lower Cambrian) Judomia (Lower Cambrian) Olenellus (Lower Cambrian) Ellipsocephalus (Middle Cambrian) Elrathia (Middle Cambrian)...

the Holmiidae. M. occidens was collected in the Lower Cambrian (lower Olenellus-zone) of Alberta, Canada (Mural Formation, in the talus slope immediately...

questionably from the Upper Olenellus-zone (Wulff River Formation, Marshall Bugt, Inglefield Land). B. hermani occurs in the Upper Olenellus-zone of Vermont (Monkton...

Ben Peach described the species as Olenellus (Olenelloides) armatus, assigning it to a new subgenus of Olenellus. Other early scholars regarded Olenelloides...

is informally defined as the first appearance of the trilobite genera Olenellus or Redlichia around 514.5 million years ago. The International Commission...

Greenland and Spitsbergen. Mesolenellus is a contraction of meso 'middle' and Olenellus, the genus from which it was split off. The epithet hyperborea is a contraction...

and of the Holmiidae. The generic name is a combination of the genus Olenellus, to which these species were originally assigned, and a reference to William...

American subdivision, a paleontologist finding fragments of the trilobite Olenellus would identify the beds as being from the Waucoban Stage whereas fragments...

lived during the late Lower Cambrian (Botomian/Toyonian) in the so-called Olenellus-zone in the former paleocontinent of Laurentia plus parts of what became...

Olenellus chiefensis, suborder Olenellina, showing the visual surface has broken away, the lack of dorsal sutures, and the enlarged pleurae of the 3rd...

fossils are from the Emigsville Member and include the trilobites Olenellus thompson, Olenellus roddyi, and Wanneria walcottana. The radiodont Lenisicaris pennsylvanica...

and siliciclastic. It dates from c. 525-510 Ma, the Nevadella / Bonnia-Olenellus trilobite zones. Earth sciences portal Canada portal Paleontology portal...

size species. It is common in and limited to the Lower Cambrian (Upper Olenellus-zone) shelf deposits across the southwestern US, which constitutes part...

System, after this old British tribe." Lapworth, Charles (1891). "On Olenellus Callavei and its Geological Relationships". Geological Magazine. 8 (12):...

States Geological Survey; no.81. 447 p. The fauna of the Lower Cambrian or Olenellus zone, (1890) Extract from the 10th annual report of the director of the...

and earliest Middle Cambrian (Botomian to Delamaran) in the so-called Olenellus- and Eokochaspis-zones in the former paleocontinents of Laurentia, Avalonia...

the thorax. It lived during the Toyonian stage (last phase of the Upper Olenellus-zone), in what is today the South-Western United States. Biceratops can...

/ Stage 4 boundary; it's considered to belong to the mid-upper Bonnia-Olenellus trilobite Zone. Top of the unit corresponds, more or less, to the top...

Formation  Iran A member of Asaphida belonging to the family Asaphidae. Olenellus santuccii Sp. nov Valid Webster in Webster & Caron Cambrian Stage 4 Eager...

bispinata has been collected from the Early Cambrian of Alberta (Lower Olenellus zone, Mural Formation, Mumm Peak Section, immediately west of Mumm Peak...

average size. It lived during the Toyonian stage (last phase of the Upper Olenellus-zone), in what is today the South-Western United States. Emigrantia can...

Camptostroma roddyi is an extinct echinoderm from the Bonnia-Olenellus Zone of the Early Cambrian Kinzers Formation near York and Lancaster, Southeastern...

belonging to this subfamily lived during the Botomian and Toyonian stage (Olenellus-zone), 522-513 million years ago, in the former continent of Laurentia...

specimen is now housed in the Princeton University geological museum. Olenellus vermontanus was one Vermont trilobite. At the time of its discovery near...

Stratigraphy. One proposal is the first appearance of two trilobite genera, Olenellus or Redlichia. Another proposal is the first appearance of the trilobite...

Scotland. The fossil of one creature identified in the rocks of Beinn Eighe, Olenellus armatus, has not been found at any other location. The area was heavily...

Nephrolenellus Temporal range: Toyonian (Upper Olenellus-zone) 516–513 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ juvenile Nephrolenellus multinodus, 9mm, frontal...