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Polychaeta (18952)

Echiura (tree size 287)

Spriggina (tree size 2)

Scolecida (tree size 1955)

Haplodrili

Aciculata (tree size 2441)

Palpata (tree size 6617)

Amphinomida

Parapatraites (tree size 3)

Staurocephalites (tree size 11)

Kettnerites (tree size 10)

Lunoprionella (tree size 4)

Lapworthella (tree size 8)

Martina (tree size 2)

Eunicites (tree size 31)

Langeites (tree size 4)

Mochtyella (tree size 4)

Parsimonia (tree size 6)

Conorca (tree size 2)

Jereminella (tree size 2)

Spirocavites (tree size 3)

Anisocerasites (tree size 6)

Drilonereistes (tree size 2)

Hemicanalis (tree size 2)

Arabellites (tree size 15)

Paulinites (tree size 3)

Polychaetaspidae (tree size 36)

Lumbriconereites (tree size 13)

Pseudorthotheca (tree size 2)

Orthopelta (tree size 2)

Laqueoserpula (tree size 4)

Pararamphoprion (tree size 2)

Diploconcha (tree size 2)

Omasaria (tree size 4)

Arites (tree size 3)

Orthoconorca (tree size 2)

Delosites (tree size 5)

Pararenicola (tree size 2)

Maeandropolydora (tree size 4)

Nereidavus (tree size 9)

Pedivillus (tree size 2)

Pseudoethmonaria (tree size 2)

Hadoprionidae (tree size 9)

Paradrilonereigenys (tree size 2)

Leodicites (tree size 2)

Sabellidites (tree size 2)

Kielanoprion (tree size 2)

Fissurituba (tree size 2)

Caulostrepsis (tree size 2)

Hyolithellus (tree size 1)

Errantia (tree size 7216)

Sedentaria

Onuphionella (tree size 2)

Ramphoprionidae (tree size 10)
Ramphoprionid

Tibikoia (tree size 3)

Elleriprion (tree size 1)

Myzostomida (tree size 224)

Kenostrychus (tree size 1)

Stephenoscolex (tree size 1)

Insolicorypha (tree size 1)

Nereigenys (tree size 1)

Flabetheca (tree size 1)

Fomitchella (tree size 1)

Iubarenicola (tree size 1)

Ornatovinea (tree size 1)

Sanbongicola (tree size 1)

Maldeotaia (tree size 1)

Diopatrichnus (tree size 3)

Ottawina (tree size 1)

Acerrotrupa (tree size 1)

Diplochaetetes (tree size 3)

Terebellina (tree size 1)

Kalaminochaeta (tree size 1)

Kalymmaria (tree size 1)

Keilorites (tree size 1)

Polychaetura (tree size 1)

Sciotoprion (tree size 1)

Cheiridogenys (tree size 1)

Palaeopelyx (tree size 1)

Paleoenonites (tree size 3)

Paleorhynchus (tree size 1)

Scoleciellus (tree size 1)

Ditrupula (tree size 1)

Palurites (tree size 1)

Koslowskisyrinx (tree size 1)

Kozlowskiprion (tree size 1)

Nothrites (tree size 1)

Polykladichnus (tree size 1)

Marleneites (tree size 1)

Lacinituba (tree size 1)

Marlenites (tree size 1)

Dorsibranchus (tree size 1)

Marywadea (tree size 1)

Paraglycerites (tree size 1)

Paragnathites (tree size 1)

Lanceolatites (tree size 1)

Oblongiprion (tree size 1)

Melanoraphia (tree size 1)

Albertaprion (tree size 1)

Praelumbrinereis (tree size 1)

Titahia (tree size 1)

Menogenys (tree size 1)

Leogenys (tree size 1)

Siluropelta (tree size 1)

Parasabellidites (tree size 1)

Simplotubus (tree size 1)

Gotlandites (tree size 1)

Sinugenys (tree size 1)

Trentonia (tree size 1)

Processoprion (tree size 1)

Prokopitraea (tree size 1)

Grapsobranchus (tree size 1)

Pronereites (tree size 1)

Protoarenicola (tree size 1)

Skalenoprion (tree size 1)

Pedarites (tree size 1)

Eotomopteris (tree size 1)

Tubicotomaculum (tree size 1)

Leptoprion (tree size 1)

Mobyprion (tree size 1)

Soris (tree size 1)

Monocraterion (tree size 1)

Pseudoarenicola (tree size 1)

Ethmonaria (tree size 1)

Brochosogenys (tree size 1)

Pseudopolydorites (tree size 1)

Multiprion (tree size 1)

Spinocera (tree size 1)

Eulalites (tree size 1)

Crinincaminus (tree size 1)

Myoscolex (tree size 1)

Uncinogenys (tree size 1)

Pterogenys (tree size 1)

Phiops (tree size 1)

Anhuiella (tree size 1)

Cubiculovinea (tree size 1)

Himalayaia (tree size 1)

Hindenites (tree size 1)

Hindeoprion (tree size 1)

Lophos (tree size 1)

Canadia (tree size 1)

Ramesses (tree size 1)

Carbosesostris (tree size 1)

Pieckonia (tree size 1)

Raphidiophorus (tree size 1)

Huainanella (tree size 1)

Rhamphegenys (tree size 1)

Xanioprion (tree size 1)

Xanthoprion (tree size 1)

Arachnostega (tree size 1)

Archaeoprion (tree size 1)

Archesabella (tree size 1)

Cementula (tree size 1)

Hyolithes (tree size 2)

Fastuoscolex (tree size 1)

Hystriciola (tree size 1)

Rotulispira (tree size 1)

Ruedemannella (tree size 1)

Indocera (tree size 1)

Rushtonia (tree size 1)

Rutellifrons (tree size 1)

Synclinophora (tree size 1)

Nephytidae (tree size 4)

Nerillida

Enigma (tree size 1)

Tymbochoos

Lobatocerebridae (tree size 3)

Laetmonectidae (tree size 2)

Burgessochaetidae (tree size 2)

Phragmochaetidae (tree size 2)

Sedentarida

Pyllodocida

Aricinella (tree size 1)

Protodrilida

Arkonips

Annulitubus

Baltichaeta

Homaphrodite

Kootenayscolex

Lapispecus

Meringosoma

Palaeotubus

Paleocampa

Paliurus

Protonympha

Protopholoe

Pygocirrus

Rhaphidiophorus

Serratula

Torlessia