#articulata

[taxonomytournament]

Taxonomy Tournament: Echinoderms

Articulata. This class is made up of sea lilies, which have a stalk an attach themselves to substrate in their adult forms, and feather stars, which are free-moving. They feed using arms with feathery pinnules.

Asteroids. This class is made up of starfish, seabed invertebrates most of which predate on smaller benthic invertebrates. They are capable of regenerating lost limbs.

Which clade of animals is better?

Articulata

Asteroids

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Voting ended onMar 5, 2024

[seatrench]

Feather stars are able to use their feathery arms to catch plankton and swim away from danger.

(source)

[snototter]

Bennett’s feather star (Oxycomanthus bennetti) in the Raja Ampat islands, New Guinea, Indonesia

by Pam and Bill

[animalids]

Feather star (Comatulida)

Photo by Loh Kok Sheng

[gamosepalous-5lobed]

Pectinaria articulata

Photographed by: Claudio Cravero

[taxonomytournament]

Taxonomy Tournament: Invertibrates

Articulata. This class is made up of sea lilies, which have a stalk an attach themselves to substrate in their adult forms, and feather stars, which are free-moving. They feed using arms with feathery pinnules.

C. elegans. This nematode species is commonly used as a model organism, being the first multi-cellular organism to have its genome sequenced and neural connections mapped

Which clade of animals is better?

Articulata

C. elegans

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Voting ended onMay 6, 2024

[taxonomytournament]

Taxonomy Tournament: Echinoderms

Articulata. This class is made up of sea lilies, which have a stalk an attach themselves to substrate in their adult forms, and feather stars, which are free-moving. They feed using arms with feathery pinnules.

Ophiuroidea. This class of starfish-like echoniderms, known as the brittle stars, has long slender whip-like arms

Which clade of animals is better?

Articulata

Ophiuroidea

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Voting ended onJan 25, 2024

[taxonomytournament]

Taxonomy Tournament: Echinoderm Finale!

Articulata. This class is made up of sea lilies, which have a stalk an attach themselves to substrate in their adult forms, and feather stars, which are free-moving. They feed using arms with feathery pinnules.

Echinacea. This superorder of sea urchins in the largest. They have a rigid test, hard spines, and gills.

Which clade of animals is better?

Articulata

Echinacea

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Voting ended onApr 17, 2024