Phylum Flashcards
1
Q
Arachnomorpha
A
Basal group of trilobites, arachnids
Chelicerae
2
Q
Subphylum Chelicerata
A
Hollow fangs
Pedipalps, 4 pairs of legs, no antennae
scorpions, whip scorpions, pseudoscorpions, daddy-longlegs, mites, ticks, spiders
3
Q
Onycophoran
A
Velvet worm Bilaterally symmetrical Predaceous Thin flexible cuticle Open circulatory system
4
Q
Subphylum Myriopoda
A
Millipedes and centipedes
5
Q
Subphylum Mandibulata
A
Mandibles
Appendages on third head segment modified to chew or grind food
2 pairs of antennae
6
Q
Crustaceans
A
2 antennae
2 maxillae
1 mandibles
7
Q
Panhexapod
A
?
8
Q
Entognatha
A
Entognathuscondition is derived
Monocondylic jaws
Reduced eyes in many species
Indirect fertilization
