Procerini
Creators: name: Nygren, Arne
Publisher: name: Zenodo
Year: 2004
Subjects: Biodiversity
Taxonomy
Animalia
Annelida
Polychaeta
Phyllodocida
Syllidae

description: Nuchal epaulettes extending to half of chaetiger 2, large eye spots ..................................................................................................................................... M. rangiroaensis(p. 155) Nuchal epaulettes extending to between end of chaetiger 3 and beginning of chaetiger 5, small eye spots................................................................................... M. dentalia(p. 127)85(83) Trepan with 4–5 large and 25–39 small teeth, 1 large alternating with 4–13 small. Small teeth fused with adjacent large teeth........................................... M. langerhansi(p. 140) Trepan with 8–10 large and 14–21 small teeth, 1 large alternating with 1–3 small. Small teeth not fused with adjacent large teeth................................ M. brachycephala(p. 120)
Procerini trib. n.
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A Additional features: thin bayonet chaetae, subdistally denticulated. B Additional features: large trepan teeth.
C Additional features: well­developed ciliated ridge on palps. D Additional features: unidentate compounds in anterior chaetigers. a Reference: Ben­Eliahu 1977.
b Reference: Imajima 1966.
c Reference: Langerhans 1879.
d Reference: Hartmann­Schröder 1962.
e Reference: Imajima 1967.Pharynx sinuation Trepan teeth Proventricle in chaetiger Reproduc­ tive mode Additional fea­ tures Distri­ bution Referencesbranchiata1– several 1 20 uneq; 1L+(1–3)S 6–8(2–3) 50 S; AS Furcating nuchal epaulettes ANT 1Averincev, 1972clavataseveral 24 eq 5(1) 20 S; AS NEAlongi­pharyngeaseveral 20 eq 4–5(1) 18 ? SWPpectinans1 217 uneq; 1L+(1–2)S 5–6(2) 26 S; AS EIO 2Hartmann­ Schröder, 1989spirifer1 28 uneq; 1L+(1–3)S 3(1) 25 S; AS SWP, Rows of muscle cells –30 EIO
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A Additional features: bidentate simple chaetae in chaetiger 1–4 B Additional features: uni­ and bidentate simple chaetae in chaetiger 1–4 C Additional features: only unidentate simple chaetae in all chaetigers D Additional features: compounds and simple chaetae in all chaetigers E.
Additional features: flattened, lanceolate cirri F Additional features: brown spots at base of dorsal cirri. G Additional features: fusiform anterior appendages, only simple chaetae. a Reference: Gidholm 1967.
b Reference: Imajima 1966
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A Additional features: two small spines at base of large teeth B Additional features: cirri from chaetiger 3 flattened C Additional features: very large parapodial lobes a Reference: San Martín 1994.
b Reference: Imajima 1966
Annenkova 1934 &
Linnean name definition. Type genus Proceraea Ehlers, 1864.
Node­based name definition. Procerini refers to the least inclusive clade comprising Imajimaea zonata (Mohammad, 1973), Imajimaea draculai (San Martín & López, 2002), Virchowia [Langerhans, 1879] Nygren, 200X, Levidorum [Hartman, 1967] Nygren, 200X, and Proceraea [Ehlers, 1864] Nygren, 200X.
Apomorphies. Clade supported by six morphological apomorphies (Fig. 4): 1) nuchal epaulettes extend to end of tentacular segment (character 8), character state change is a parallelism, character later reversed within clade, character further changed within clade, character state unknown in some taxa; 2) cirrostyles alternate in length present (character 16), character state change is a parallelism, character later reversed within clade, character state unknown in some taxa; 3) cirrophores on short cirri absent (character 17), character state change is a parallelism, character later reversed within clade, character state unknown in some taxa; 4) cirrophores on long cirri absent (character 18), character state change is a parallelism, character later reversed within clade, character state unknown in some taxa; 5) chaetal teeth in median and posterior chaetigers with distal tooth smaller than subdistal tooth (character 31), character state change is a parallelism, character later reversed within clade, character state unknown in some taxa; 6) reproductive mode equals anterior scissiparity (character 51), other MPRs possible, character state unknown in some taxa.
description: Published as part of Nygren, Arne, 2004, Revision of Autolytinae (Syllidae: Polychaeta)., pp. 1-314 in Zootaxa 680 on pages 31-39, DOI: 10.5281/zenodo.157809