where the original maker of a trace fossil can be identified with confidence, phylogenetic classification of trace fossils is an unreasonable proposition...

free dictionary. A trace fossil, also known as an ichnofossil ( /ˈɪknoʊfɒsɪl/; from Greek: ἴχνος ikhnos "trace, track"), is a fossil record of biological...

chaotic nature of trace fossil classification, several ichnogenera hold names normally affiliated with animal body fossils or plant fossils. For example,...

branch in a nutrient-rich environment would. Allaby A & Allaby M (1999) Oxford Dictionary of Earth Sciences. Trace fossil Trace fossil classification v t e...

several fossil trackways that indicate that it was likely a cursorial animal that was well-adapted to desert environments. The Farlowichnus fossil material...

an animal. As such, it is regarded as the earliest widespread complex trace fossil. Its earliest appearance, around 542 million years ago (mya), which was...

Paleodictyon is a trace fossil, usually interpreted to be a burrow, which appears in the geologic marine record beginning in the Precambrian/Early Cambrian...

Chondrites is a trace fossil ichnogenus, preserved as small branching burrows of the same diameter that superficially resemble the roots of a plant. The...

Gnathichnus is a trace fossil on a hard substrate (typically a shell, rock or hardground made of calcium carbonate) formed by regular echinoids as they...

Thalassinoides is an ichnogenus of trace fossil (fossil records of lifeforms' movement, rather than of the lifeforms themselves) used to refer to "dichotomously...

ichnogenus of trace fossil which resembles the marks produced by the action of a mollusc's radula on sediment. As an ichnogenus, its classification is based...

of trace fossil (fossil records of lifeforms' movement, rather than of the lifeforms themselves) allied to Cruziana. Rusophycus is the resting trace, recording...

Gyrotrisauropus Trace fossil classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria Clade: †Ornithischia Ichnogenus: †Gyrotrisauropus...

Skolithos (formerly spelled Scolithus or Skolithus) is a common trace fossil ichnogenus that is, or was originally, an approximately vertical cylindrical...

Tyrannosauripodidae Tyrannosauripus pillmorei Trace fossil classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria Clade:...

Pennichnus formosae is a trace fossil produced by an extinct species of ambush‐predatory worm. Pan, Yu-Yen; Nara, Masakazu; Löwemark, Ludvig; Miguez-Salas...

Isopodichnus is an ichnogenus of trace fossil. Ribbon-like in form, Isopodichnus traces were likely formed by the activity of an isopod crustacean foraging...

fossils (also known as guide fossils or indicator fossils) are fossils used to define and identify geologic periods (or faunal stages). Index fossils...

Gastrochaenolites is a trace fossil formed as a clavate (club-shaped) boring in a hard substrate such as a shell, rock or carbonate hardground. The aperture...

Berriasian stage of the Cretaceous, making them among the oldest bird trace fossils in the world. Lockley, M.G.; Janke, P.; Theisen, L. (2001-01-01). "Bird...

Atreipus is an ichnogenus or trace fossil attributed to early Ornithischian dinosaurs. Its significance for Triassic biostratigraphy has earned it some...

Temporal range: Albian–Early Eocene PreꞒ Ꞓ O S D C P T J K Pg N Trace fossil classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Aves...

A fossil (from Classical Latin fossilis, lit. 'obtained by digging') is any preserved remains, impression, or trace of any once-living thing from a past...

Burrinjuckia is an ichnogenus of bioclaustrations (a type of trace fossil). Burrinjuckia includes outgrowths of the brachiopod's secondary shell with a...

Though the tracks were found in a higher stratigraphic level than the main fossils of Giganotosaurus, they were from the same strata as the Giganotosaurus...

Magnoavipes Specimen from Dinosaur Ridge, Colorado Trace fossil classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria...

Platysauropus Trace fossil classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria Clade: Saurischia Clade: Theropoda Ichnogenus:...

Plesiothornipos Trace fossil classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Dinosauria (?) Ichnogenus: †Plesiothornipos...

be interpreted from trace fossils. Diplocraterion is a classic example of equilibrichnia (equilibrium traces). These types of traces represent gradual adjustments...

interpreted in many different ways in the past, but is now thought to be a trace fossil of a slug-like organism that moved by crawling to on-shore surfaces,...