Definition of Echmatocrinus. Meaning of Echmatocrinus. Synonyms of Echmatocrinus

- Echmatocrinus is a Cambrian animal which resembles a crinoid or an octocoral. Its exact taxonomy is still a subject of debate. It is known only from the...
- 144 to 180 m (472 to 591 ft) per hour. If one ignores the enigmatic Echmatocrinus of the Burgess Shale, the earliest known unequivocal crinoid groups...
- reported from the Early Ordovician. Its five arms bifurcate. The contested Echmatocrinus notwithstanding, it is a candidate for the earliest true member of the...
- Recent studies have suggested that it is likely stem-group ctenophoran. Echmatocrinus Animalia non-applicable Walcott Quarry Raymond Quarry This animal resembles...
- Cincinnaticrinidae extinct Ordovician (Katian) United States : 87  Echmatocrinus Sprinkle 1973 E. brachiatus Sprinkle, 1973 Echmatocrinidae extinct Cambrian...
- (older name: Blastocystidae) [order] †Echmatocrinida - single genus †Echmatocrinus - sometimes classified as a basal pelmatozoan within or next to Crinoidea...
- be in contact with the substrate. The earliest crinoid may have been Echmatocrinus, the fossilised remains of which have been found in the Burgess Shale...
- †Echinosphaerites †Echinostrephus †Echinothuria †Echinotiara †Echinus †Echmatocrinus †Eckidocrinus †Ectenocrinus †Ectinechinus †Ectocrinus †Edapocrinus †Edrioaster...