(onychopheran) |
The PANARTHROPODA
(ALTERNATIVE MOLECULAR PHYLOGENY) (after Regier et al. 2010; based on 41 KB of aligned DNA sequence from 62 single-copy nuclear protein-coding genes from 75 arthropod species; additional support from Zwick et al. 2012 PLoS ONE 7(11): e47450 & Campbell et al. 2011 PNAS 108:15920-24) |
(tardigrade) |
(pycnogonid sea spider) |
(horseshoe crab) |
(true spider) |
Phylum ARTHROPODA |
(diplopod myriapod) (chilopod myriapod) |
(extinct trilobite) |
KEY SIMILARITIES AND DIFFERENCES BETWEEN TRADITIONAL AND MOLECULAR PHYLOGENY
|
|
=============== ONYCHOPHORA (velvet worms; fossil Hallucigenia) <<==================| | ============ TARDIGRADA (water bears) ===| ============================== TO ARTHROPODA =======>
======== Pycnogonida (sea spiders) | ====================CHELICERATA=======| === Merostomata (horseshoe crabs) | =====| | === Arachnida (spiders, mites, scorpions, etc.) | <<==| =(added by ARP) TRILOBITOMORPHA============= (extinct trilobites) | | ==| ============== Chilopoda (centipedes) | | | ===============MYRIAPODA===| ========= Symphyla (symphylans) | | =====| Ma=| ========= Diplopoda (millipedes) | | ========= Ostracoda (seed shrimp) | ============OLIGOSTRACA======| | | ========= odd parasites (Branchiura, Pentastomida) Pa=| | ======BRANCHIOPODA============= Branchiopoda (fairy shrimp, water fleas, etc.) | | | =Ve=| ===COPEPODA================= Copepoda (copepods) | | | | | | Mu=| ==THECOSTRACA=========== Cirripedia (barnacles) | | =Co=| | | | ======== Phyllocarida (Or. Leptostraca) | | ==MALACOSTRACA==| | | | ==== Hoplocarida (mantis shrimps) Al=| =Eu=| | | == Peracarida (mysids, amphipods, isopods, etc.) | ==| | == Eucarida (krill, shrimps, lobsters, crabs, etc.) | | ============= Remipedia | ====XENOCARIDA==| | | ============= Cephalocarida ==Mi==| | ==Entognatha=== Collembola (springtails) ====HEXAPODA==| | == Thysanura (silverfish and firebrats) ==Ectognatha=| == Pterygota (winged insects) (Insecta)(groups in green are all from the traditional subphylum Chelicerata,
Ma- MANDIBULATA
Pa- PANCRUSTACEA
Al- ALTOCRUSTACEA
Ve- VERICRUSTACEA
Mi- MIRACRUSTACEA
Mu- MULTICRUSTACEA
Co- COMMUNOSTRACA
Eu- EUMALACOSTRACA
Back to Zool 250 tree for animal phyla or Protostomia