scalidophora clade

Question 1

scalidophora clade includes 3 phyla:

Answer 1

loricifera, kinorchyna, priapulida

Question 2

what synapomorphies tie together the 3 phyla of the scalidophora clade?

Answer 2

retractable proboscis & scalids (spines used for locomotion + sensory)

Question 3

priapulida are commonly called:

Answer 3

penis worms, cactus worms

Question 4

priapulida bury themselves in sediment. this is called:

Answer 4

infaunal

Question 5

scalidophora Lorica is:

Answer 5

larval stage

Question 6

although priapulida are in protosome clade, they display what characteristic of the deuterostome clade?

Answer 6

the blastospore becomes the anus

Question 7

kinorchyna are:

Answer 7

a phylum under the scalidophora clade

Question 8

kinorchyna are commonly called:

Answer 8

mud dragons

Question 9

kinorchyna are meiofaunal which means:

Answer 9

they live between sediment grains

Question 10

what is the development (simply) of each phyla within scalidophora?

Answer 10

priapulida: Lorica larva
kinorchyna: no larva
loricifera: larva that resembles Lorica

Question 11

kinorchyna are ____ feeders, which means:

Answer 11

deposit; they eat sediment

Question 12

loricifera introvert differ from other scalidophora because:

Answer 12

they are covered in spines