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Table 2 Results of distance-based analysis in ParaFit

From: A newly discovered radiation of endoparasitic gastropods and their coevolution with asteroid hosts in Antarctica

Host Species

Parasite Species

F1 statistic

p-value

Psilaster charcoti P00408

Asterophila sp. 1 P00408

0.0002

0.161

Rhopiella hirsuta P00029

Asterophila sp. 3 M13022

− 0.0008

0.489

Rhopiella hirsuta P00409

Asterophila sp. 3 M13018

− 0.0008

0.489

Rhopiella sp. 1 P00376

Asterophila sp. 3 M13021b

−0.0008

0.488

Rhopiella sp. 1 P00376

Asterophila sp. 3 M13021c

−0.0008

0.487

Rhopiella sp. 1 P00376

Asterophila sp. 3 M13021d

−0.0008

0.488

Rhopiella sp. 1 P00376

Asterophila sp. 3 M13021e

−0.0008

0.489

Rhopiella sp. 1 P00376

Asterophila sp. 3 M13021a

−0.0008

0.489

Lophaster gaini P00387

Asterophila sp. 8 M13043b

0.0010

0.022

Lophaster gaini P00387

Asterophila sp. 8 M13043a

−0.0013

0.500

Lophaster gaini P00417

Asterophila sp. 8 M13028

−0.0015

0.500

Paralophaster antarcticus P00422

Asterophila sp. 8 M13027

−0.0014

0.500

Perknaster sp. 1 P00423

Asterophila perknasteri M13030

0.0036

0.0002

Perknaster antarcticus P00406

Asterophila perknasteri M13039b

0.0029

0.0003

Perknaster antarcticus P00406

Asterophila perknasteri M13039a

0.0029

0.0002

Perknaster antarcticus P00406

Asterophila perknasteri M13039d

0.0029

0.0002

Perknaster antarcticus P00406

Asterophila perknasteri M13039c

0.0029

0.0003

Perknaster aurorae P00407

Asterophila perknasteri M13031

0.0030

0.0004

Perknaster cf. densus P00384

Asterophila perknasteri M13019f

0.0007

0.011

Perknaster cf. densus P00384

Asterophila perknasteri M13019e

0.0007

0.011

Perknaster cf. densus P00384

Asterophila perknasteri M13019 g

0.0018

0.007

Perknaster cf. densus P00384

Asterophila perknasteri M13019b

0.0016

0.001

Perknaster cf. densus P00384

Asterophila perknasteri M13019a

0.0016

0.001

Perknaster cf. densus P00384

Asterophila perknasteri M13019d

0.0015

0.001

Perknaster cf. densus P00384

Asterophila perknasteri M13019c

0.0015

0.001

Perknaster cf. densus P00472

Asterophila perknasteri P00472

0.0021

0.0004

Perknaster cf. densus P00365

Asterophila perknasteri M13024

0.0021

0.0003

Perknaster cf. densus P00364

Asterophila perknasteri M13020

0.0011

0.043

Perknaster cf. densus P00363

Asterophila perknasteri M13033b

0.0008

0.034

Perknaster cf. densus P00363

Asterophila perknasteri M13033a

0.0009

0.029

Perknaster cf. densus P00373

Asterophila perknasteri M13023

0.0009

0.028

Pteraster sp. 1 P00419

Asterophila sp. 2 M13037

0.0006

0.045

Pteraster sp. 1 P00420

Asterophila sp. 2 M13035

0.0007

0.021

Lysasterias perrieri P00354

Asterophila sp. 6 M13048b

0.0006

0.041

Lysasterias perrieri P00354

Asterophila sp. 6 M13048a

0.0006

0.042

Lysasterias perrieri P00347

Asterophila sp. 6 M13046

0.0006

0.040

Lysasterias heteractis P00362

Asterophila sp. 6 M13047b

0.0007

0.039

Lysasterias heteractis P00362

Asterophila sp. 6 M13047a

0.0007

0.038

Lysasterias heteractis P00361

Asterophila sp. 6 M13038b

0.0007

0.038

Lysasterias heteractis P00361

Asterophila sp. 6 M13038a

0.0007

0.038

Diplasterias sp. 1 P00527

Asterophila sp. 4 M13042a

0.0007

0.037

Diplasterias sp. 1 P00527

Asterophila sp. 4 M13042b

0.0006

0.036

Notasterias sp. 1 P00473

Asterophila sp. 7 P00473

0.0010

0.009

Notasterias sp. 1 P00393

Asterophila sp. 7 M13045

0.0009

0.008

Notasterias sp. 1 P00418

Asterophila sp. 7 M13025

0.0010

0.007

Notasterias sp. 1 P00003

Asterophila sp. 7 M13032

0.0010

0.007

Notasterias sp. 1 P00528

Asterophila sp. 7 M13044

0.0010

0.008

Notasterias sp. 1 P00526

Asterophila sp. 7 M13036

0.0009

0.009

Notasterias sp. 1 P00350

Asterophila sp. 7 M13041

0.0010

0.008

Notasterias sp. 1 P00348

Asterophila sp. 7 M13040

0.0009

0.008

Notasterias sp. 1 P00388

Asterophila sp. 7 P00388

0.0009

0.011

Notasterias sp. 1 P00355

Asterophila sp. 7 M13054c

0.0012

0.003

Notasterias sp. 1 P00355

Asterophila sp. 7 M13054d

0.0012

0.003

Notasterias sp. 1 P00355

Asterophila sp. 7 M13054a

0.0014

0.0003

Notasterias sp. 1 P00355

Asterophila sp. 7 M13054b

0.0014

0.0003

Notasterias sp. 1 E7112

Asterophila sp. 7 M13034

0.0002

0.154

Labidiaster annulatus E711

Asterophila sp. 5 M13618

0.0002

0.156

  1. Tests of individual congruence between host and parasite and the corresponding p-value. Associations in bold are significant (P < 0.05). Global congruence analysis in ParaFit was significant (ParaFitGlobal = 0.03; P = 0.0001)