Split distribution, biogeography and morphological and genetic diversity of the Iberobathynellini Tribe in the family Parabathynellidae (Crustacea, Malacostraca, Bathynellacea) Author Camacho, Ana Isabel Author Mas-Peinado, Paloma Author López-Estrada, E. Karen Author Dorda, Beatriz A. Author Rey, Isabel text Contributions to Zoology 2022 2022-01-03 91 1 1 61 http://dx.doi.org/10.1163/18759866-bja10024 journal article 268194 10.1163/18759866-BJA10024 2653ab11-fcc7-4095-986b-5ae8d661bda2 1875-9866 8359271

TABLE 4 Taxonomic characters of the Iberobathynellini Tribe Camacho & Serban, 1995 and other species of the North American and European genera of the Parabathynellidae family.1. Iberobathynella asturiensis Serban & Comas, 1978; 2. I. parasturiensis Camacho & Serban, 1998; 3. I. cavadoensis Noodt & Galhano, 1969; 4. I. ortizi Camacho, 1989; 5. I. rouchi Camacho & Coineau, 1987; 6. I. imuniensis Camacho, 1987; 7. I. serbani Camacho, 2003; 8. I. guarenensis Camacho, 2003; 9. I. celiana Camacho, 2003; 10. I. lamasonensis Camacho, 2005; 11. I. cornejoensis Camacho, 2005; 12. I. pedroi Camacho, 2003; 13. I. espaniensis Serban & Comas, 1978;14. I. cantabriensis Camacho & Serban, 1998; 15. I. magna Camacho & Serban, 1998; 16. I. burgalensis Camacho, 2005; 17. I. andalusica Camacho, 2007; 18. I. gracilipes (Braga, 1960); 19. I. paragracilipes Camacho & Serban, 1998; 20. I.lusitanica (Braga, 1949); 21. I. valbonensis (Noodt & Galhano, 1969); 22. I. barcelensis (Galhano, 1970); 23. Hexaiberobathynella mateusi (Galhano, 1967); 24. Hi.hortezuelensis Camacho & Serban, 1998; 25. Guadalopebathynella puchi Camacho & Serban, 1998; 26. Californibathynella californica (Schminke & Noodt, 1998; 27. Paraiberobathynella fagei (Delamare Deboutteville & Angelier, 1950); 28. Pi.notenboomi (Camacho, 1989); 29. Pi.maghrebensis (Boutin & Coineau, 1987); 30. Texanobathynella bowmani Delamare Deboutteville, Serban & Coineau, 1975; 31. T.sachi Cho, 1996; 32. T. cf bowmani; 33. T. aaronswinki Camacho & Hutchins, 2021; 34. T.coloradoensis Camacho & Hutchins, 2021; 35. Montanabathynella pecosensis Camacho & Hutchins, 2021; 36. M.salish Camacho, Stanford & Newell, 2009; 37. Parabathynella motasi Dancau & Serban, 1963;38. P. badenwuerttembergensis Fuchs, Hahn & Cho, 2012;39. P. cf stygia; 40. Hexabathynella sevillaensis Camacho, 2005.Abbreviations:A = absent; AI = antennule; AII = antenna; B = barbed; Endp = endopod; Exp = exopod; Frc =f urca; H = homonomous; IH = inhomonomous; Md = mandible; MxI = maxillule; MxII = maxilla; Npr = not pronounced; Not exc = does not exceed; P = plumose; Pr = pronounced; sgt = segment; S =s mooth; Sm = small; Symp = sympod; ThI =t horacopod 1; ThVIII = thoracopod 8; Urp = uropod;W = wrinkled.* Hook shape.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17
AI: segments	7	7	7	7	7	7	7	6	6	7	7	7	7	7	7	7	7
aesthetascs sgt 5	1	1	2	2	2	2	1	–	–	1	1	1	2	2	2	2	2
AII: segments	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Labrum: teeth	8	8	8	8	8	8	8	10	8	8	8	8	8	8	9	8–9	8
Md: teeth
pars incisiva	5–7	4	5	5	7	6	5	6	–	5	4	6	4–5	5–6	5–8	7	8
pars molaris	7	5	7	6	7	7	6	5	–	6	5	6	5–8	6	7–9	6–8	6
Palp/distal end	Exceed	Not exc	Not exc	Exceed	Not exc	Not exc	Not exc	Not exc	–	Not exc	Not exc	Not exc	Exceed	Not exc	Not exc	Not exc	Not exc
MxI:teeth distal endite	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7
MxII:setae sgt 1	0	0	0	0	1	1	0	0	1	0	1	0	1	1	1	1	1
setae sgt 2	4	4	4	4	4	4	4	4	4	4	3?	4	4	4	4	4	4
setae sgt 3	14	14	15	14	16	14	15	15	15	15	14	15	16	15 –16	16	15	15
ThI: Exp:sgt & (setae)	1(1 + 2)	1(1 + 2)	1(1 + 2)	1(1 + 2)	1(1 + 2)	1(1 + 2)	1(1 + 2)	1(1 + 2)	1(1 + 2)	1(1 + 2)	1(1 + 2)	1(1 + 2)	2(2-2)	1(1 + 2)	2(2-2)	2(2-2)	1(1 + 2)
Endp (setae)	(1-2-2-3)	(2-2-2-3)	(1-2-2-3)	(1-2-2-3)	(2-2-2-3)	(2-2-2-3)	(1-2-2-3)	(1-2-2-3)	(2-2-2-3)	(1-2-2-3)	(2-2-2-3)	(2-2-2-3)	(2-3-2-3)	(2-2-2-3)	(2-3-2-3)	(2-2-2-3)	(2-3-2-3)
plumose setae	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
ThII:epipod	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P
Exp: sgt & (setae)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)
Endp: plumose setae	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
ThIII: epipod	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P
Exp: sgt & (setae)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)
ThIV: Exp: sgt & (setae)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	3(2-2-2)	2(2-2)	2(2-2)
ThV:Exp:sgt & (setae)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	3(2-2-2)	2(2-2)	2(2-2)
ThVI: Exp: sgt & (setae)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	1(2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)
ThVII:Exp: sgt & (setae)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	1(2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)
Female ThVIII: cuticle	w	w	s	s	w	s	s	w	S	W	s	s	s	s	s	W	s
Segments	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Teeth (first sgt)	2	2	2	2	2	2	2	1	–	2	2	2	2	2	2	1	2
Setae	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Male ThVIII:
Penial región: lobes 3		3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Dentate lobe	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P
Small lobe	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A
Endp:setae	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
Setae: inner lobe	P	A	A	A	A	A	A	A	A	A	A	A	P	A	A	A	A
Pleopod I	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A
Urp: sympod	IH	IH	IH	IH	IH	IH	IH	IH	IH	IH	IH	IH	IH	H	H	H	IH
Spines	5–6 + 1	8–9 + 1	4–5 + 1	4 + 1	6 + 1	7 + 1	6 + 1	8 + 1	4 + 1	8 + 1	5 + 1	4 + 1	8–12 + 1	7–9	12–13	10–12	7–10 + 1
Exp setae	3B+1P	3B+1P	2B+1P	3B+1P	3B+1P	4B+1P	2B+1P	3B+1P	4B+1P	3B+1P	4B+1P	3B+1P	4-5B+1P	4B+1P	5B+1P	4B+0P	4B+1P
Endp setae	2B	2B	2B	2B	1B+1P+1S	1P	1P	2B	2B+1P	2B	0	2B	1P	1P	1P	0	2B+1P
Exp/endp	=	=	<	<	=	>or=	>or=	<	<	<or=	=	<or=	>or=	>or=	=	=	=
Furca: spines	8–9	7–8	6–9	7	8–10	6–7	6–7	8	8	7	5	5–6	8–9	7–8	10	7–8	7–10
Setae	1P+1B		1P+1P	1P+1B	1P+1S	1P+1P	1P+1P	1P+1P	1P+1P	1P+1P	1P+1P	1P+1P	1P+1P	1P+1P	1P+1P	1P+1P	1P+1P
Anal operculum	Pr	Pr	Pr	Pr	Npr	Npr	Pr	Pr	Pr	Pr sm	Pr	Pr	Npr	Npr	Npr	Npr	Pr
Minimun-maximun size	1.4–1.8	1.7	0.8–1.6	1.2–1.3	0.8–1.4	1.3–2.2	0.8–1	1.2–1.6	0.9	0.9–1.2	0.9–1.4	0.9–1.2	1.1–1.4	0.9–1.7	1.9	1.2–1.6	1.5–1.9
	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34
AI: segments	7	7	7	7	7	7	7	7	7	7	7?	7	6	6	6	7	6
aesthetascs sgt 5	2	2	2	2	2	1	1	2	2	2	2	2	3	3	3	2	2
AII: segments	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Labrum:teeth	8	8	8	8	8	8	8	8*	8	8	8	9–11	10	10	10	10	9
Md:teeth
pars incisiva	10	9–12	7	7–8	6	4–6	5–6	6	5	6–8	6–8	5–9	4	5	4	4–5	6
pars molaris	8–10	8–16	6–8	8–10	10	5–7	7–8	7	5	6–11	10	12	7	6	6	7–8	6
Palp/distal end	not exc	not exc	not exc	not exc	not exc	not exc	exceed	not exc	not exc	not exc	not exc	not exc	not exc	exceed	not exc	not exc	not exc
MxI:teeth distal endite	7	7	7	7	7	6	6	6*	5 + 2*	7	7	7	5	5	5	5	5
MxII: setae sgt 1	1	1	1	1	1	0	0	1	1	1	1	1	1	1	1	1	1
setae sgt 2	4	4	4	4	4	4	4	4	4	3	3	3	–	4	2	3	3
setae sgt 3	16	16	11?-16	15?-16	16	14	15	14	16	16	16	15	–	14–15	13	13–14	13–14
ThI: Exp: sgt & (setae)	2(1 + 2-2)	2(1 + 2-2)	2(2-2)	2(1 + 2-2)	2(2-2)	1(1 + 2)	1(1 + 2)	2(2-2)	1(2)	3(2-2-2)	2(2-2)	3(2-2-2)	2(2-2)	1(1 + 2)	2(2-2)	2(2-2)	2(2-2)
Endp (setae)	(2-3-2-3)	(2-3-2-3)	(2-3-2-3)	(2-3-2-3)	(2-3-2-3)	(1-2-2-3)	(1-2-2-3)	(2-2-2-3)	(2-2-2-3)	(2-3-2-3)	(2-3-2-3)	(2-3-2-3)	–	(1-2-1-3)	(2-2-1-3)	(2-2-1-3)	(2-1-0-3)
plumose setae	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
ThII: epipod	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P
Exp:sgt & (setae)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)
Endp: plumose setae	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1
ThIII:epipod	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P
Exp:sgt & (setae)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	4(2-2-2-2) 3(2-2-2)		4(2-2-2-2) 3(2-2-2)		3(2-2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)
ThIV: Exp:sgt & (setae)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	4(2-2-2-2) 3(2-2-2)		4(2-2-2-2) 3(2-2-2)		3(2-2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)
ThV:Exp: sgt & (setae)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(1 + 2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	4(2-2-2-2) 3(2-2-2)		4(2-2-2-2) 3(2-2-2)		2(2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)
ThVI: Exp: sgt & (setae)	2(1 + 2-2) 2(2-2)		2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	4(2-2-2-2) 3(2-2-2)		3(2-2-2)	3(2-2-2)	2(2-2)	3(2-2-2)	2(2-2)	3(2-2-2)
ThVII:Exp: sgt & (setae)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	2(2-2)	0 (0)	0(0)	2(2-2)	2(2-2)	3(2-2-2)	3(2-2-2)	3(2-2-2)	2(2-2)	2(2-2)	3(2-2-2)	2(2-2)	3(2-2-2)
Female ThVIII: cuticle	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	–
Segments	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	–
Teeth (first sgt)	2	2	1	1	3	1	3	2	1	2	2	2	1	2	2	4	–
Setae	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	–
Male ThVIII:
Penial región: lobes	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Dentate lobe	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P
Small lobe	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A	A
Endp: setae	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
Setae: inner lobe	P	P	P	?	¿	A	A	A	A	A	A	A	A	A	A	A	A
Pleopod I	A	A	A	A	A	A	A	A	P	A	A	A	A	P	A	A	A
Urp: sympod	H	H	H	H	H	IH	IH	IH	IH	IH	IH	H	IH	IH	IH	IH	IH
Spines	16–19	18–27	9–12	9–11	12–13	5–8	10–13	6 + 1	4 + 1	7–12 + 1	11 + 1	11	7 + 1	6–7 + 1	6–7 + 1	5–9 + 1	5–8 + 1
Exp setae	4B+1P	4B+1P	4B+1P	4B+1P	5-7B+1P	3B+1P	3B+1P	4B+1P	3B+1S	4B+1P	4B+1S	4B+1S	3B	3B+2S	3B	1B+1P	1B+1P
Endp setae	2B+1P	2B+1P	2B+1P	2B+1P	2B+1P	2B equal	2S short	1P long	1B+1P+1S	1P	1P	1P	2B+1P	2B+!P	2B+!P	3B	3B
Exp/endp	=	=	<or =	<	<or =?	<	<or =	=	<	<	=	<	=	=	=	=	=
Furca:spines	6–7	9–12	9–13	10	9–11	5–8	8–10	8	6	7–8	7–8	8–12	6	6	6–7	6	7
Setae	1P+1B	1P+1B	1P+1P	1P+1B	1P+1B	1P+1P	1P+1P	1P+1P	1P+1P	1P+1B	1P+1S	1P+1B	1P+1P	1P+1P	1P+1P	1B+1S	1P+1P
Anal operculum	Npr	Npr	Npr	Npr	Npr	Pr	Pr	Npr	Pr	Npr	Npr	Npr	Npr	Npr	Npr	Npr	Npr
Minimun-maximun size	3–4	1.7–3.2	2–3	1.8–2.3	2.6–3.4	0.9–1.9	1.3–1.9	1.1–1.6	1.1	1.1–2.8	1.8–2.3	2.2–2.8	–	1.3–1.4	–	–	–