Tables: Nauplius larva in chert

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TABLE 1. Measurements for all specimens in micrometers with reference to appearance on certain figures. Brackets indicate uncertainties in assignment to certain size class or in measured values due to weak preservation. Specimen AUGD 12445C is mentioned, as it was documented and received a number, but later turned out as not being part of a crustacean. Numbers in first row mean: 1 = Figure; 2 = Repository number AUGD; 3 = Size class; 4 = Diameter of mandibular exopod (d1); 5 = Diameter of antennal exopod (d2); 6 = Diameter of exopod with unclear affinities; 7 = Diameter of antennal endopod (d3); 8 = Diameter of mandibular endopod; 9 = Height of antennal coxa in proximal-distal axis (h); 10 = Length of antennal coxa in median-lateral axis (l).

1	2	3	4	5	6	7	8	9	10
5.1	12449B	III	61	61	–	44	18	71	139
5.2	12448A	II	50	46	–	27	–	61	96
5.3–5	12449A01	(II)	44	–	–	–	17	–	–
6.1	12448B	II	37	41	–	27	16	–	–
6.2	12449C	II	44	42	–	27	–	51	94
6.3	12449A25	I	35	35	–	24	14	–	–
6.4	12449A02	III	61	53	–	35	–	78	114
6.5(left)	12449A03a	II	39	45	–	28	18	55	84
6.5(right)	12449A03b	II	43	45	–	29	21	58	84
6.6	12449E	I	31	31	–	18	–	31	68
6.7–8	12449A04	III	–	57	–	32	–	64	131
7.1	12445D	II	43	51	–	–	23	73	106
7.2	12449A20	II	–	41	–	28	–	61	94
7.3	12449A18	I	–	36	–	23	–	51	64
7.4	12451F	II	45	45	–	–	–	65	96
7.5	12447C	I	–	32	–	19	–	50	62
7.6	12447A	II	–	46	–	29	–	65
7.7	12449A22	II	–	46	–	20	–	–	–
8.1(bottom)	12449A05a	II	–	43	–	23	–	–	–
8.1(top)	12449A05b	II	–	41	–	28	–	64	110
8.2	12449A06	(II)	41	–	–	–	–	–	–
8.3	12449A08	I	–	36	–	15	–	–	–
8.4	12449A16	I	34	34	–	–	–	46	90
8.5	12449A09	III	–	51	–	33	–	–	–
8.6	12449A14	I	–	32	–	–	–	43	85
8.7	12449A19	II	46	44	–	25	–	–	108
8.8	12447B	II	–	41	–	25	–	71	99
8.9	12454C	II	–	45	–	–	–	49	106
9.1	12452B	(I)	–	28	–	–	18	–	–
9.2	12449A21	(II)	–	–	47	–	–	–	–
9.3	12449A10	(II–III)	–	–	53	–	–	–	–
9.4	12451B	I	–	28	–	15	–	–	–
9.5	12447F	?	–	–	45	–	–	–	–
9.6	12449G	(II)	–	–	44	–	–	–	–
9.7	12454F	(II–III)	–	–	52	–	–	–	–
9.8	12442E	(II)	–	–	43	–	–	–	–
9.9	12454D	?	–	–	–	–	–	–	–
9.10	12451C	II	–	–	–	–	–	59	83
9.11	12449A15	II	–	–	–	–	–	42	106
10.1	12442B	I	–	25	–	–	–	–	68
10.2	12445A	(II)	–	–	39	–	–	–	–
10.3	12447E	?	–	–	–	–	–	–	–
10.4	12447D	(III)	–	–	60	–	–	–	–
10.5	12444B	(II)	–	–	44	–	–	–	–
10.6	12448E	(II)	–	–	39	–	–	–	–
10.7	12448F	(III)	–	–	61	–	–	–	–
10.8	12449A23	(I)	–	–	25	–	–	–	–
10.9	12454G	(I)	–	–	(31)	–	–	–	–
10.10	12454I	(I)	–	–	–	(16)	–	–	–
10.11	12454B	(II)	–	39	–	–	–	–	–
10.12	12454H	(II–III)	–	–	52	–	–	–	–
10.13	12451D	(III)	–	53	–	–	–	–	–
11.1	12454E	(I)	–	25	–	–	–	–	–
11.2	12442D	(II)	–	–	41	–	–	–	–
11.3	12448G	(II)	–	–	45	–	–	–	–
11.4	12454A	III	55	57	–	–	–	–	–
11.5	12451A	I	34	36	–	22	13	49	78
11.6	12445F	II	–	41	–	27	–	61	102
11.7	12449A17	II	44	46	–	25	–	–	–
11.8	12449A11	II	–	43	–	20	–	61	112
11.9	12449A07	II	47	45	–	33	14	–	–
12.1	12451G	I–II	–	36	–	–	–	41	92
12.2	12449D	(II–III)	–	55	–	–	–	–	–
12.3	12449A13	(II)	–	39	–	–	–	–	–
12.4	12448C	(II)	–	51	–	–	–	–	–
12.5	12449F	I	25	25	–	19	–	28	55
12.6	12449A12	(II–III)	–	–	54	–	–	–	–
12.7	12452A	(III)	–	–	59	–	–	–	–
12.8	12449A24	I	–	33	–	19	–	–	70
12.9	12451E	(I)	–	–	–	17	–	–	–
13.1	12442A	(II)	–	49	–	–	–	–	–
13.2	12444A	(II)	–	–	–	–	–	65	99
13.3	12442C	II	45	41	–	–	–	–	–
13.4	12448D	I	–	32	–	–	–	31	64
13.5	12445E	(II)	–	–	41	–	–	–	–
13.6	12448H	III	–	63	–	33	–	80	133
13.7	12445B	(II)	–	–	49	–	–	–	–
13.8	12447G	III	–	65	–	39	–	65	139
13.9	12442F	I	–	35	–	25	–	41	78
not a crustacean	12445C	–	–	–	–	–	–	–	–

TABLE 2. Overview of the most important measurement data in µm. Lengths of entire appendages or of exopods and endopods always without terminal setae. Question marks indicate uncertainties due to preservational constraints; dashes mark unavailable data.


Value	Stage I	Stage II	Stage III
total anterior-posterior body length	150	225	300
maximum body width (excl. appendages)	160	185	270
maximum dorso-ventral body height	90	145	205
antennula length	–	90	150?
antenna length	190	270	370
antennal coxa, medio-lateral extension	75	105	135
antennal coxa, maximum proximo-distal height	40	60	75
antennal endopod length	60	80	110
antennal exopod length	160	205	280
mandible length	170?	220	280
mandibular coxa, medio-lateral extension	–	45	53
mandibular coxa, maximum proximo-distal height	–	60?	75?
mandibular endopod length	14?	18?	20?
mandibular exopod length	130	165	205

TABLE 3. Comparative data from the first larval stage (nauplius) of selected eucrustacean species; data source given in brackets for each species separately. I. Data of the nauplius described herein. II. Rehbachiella kinnekullensis Müller, 1983 (Branchiopoda) from the Cambrian 'Orsten' of Sweden (Walossek, 1993). III. Artemia sp. from Macau strain, north-eastern Brazil (Schrehardt, 1987). IV. Bryocamptus pygmaeus (Sars, 1862) (Copepoda, Harpacticoida) from fresh water of NW Germany (Dahms, 1987). V. Pseudotachidius sp. (Copepoda, Harpacticoida) from Weddell Sea (Dahms, 1989). VI. Eudiaptomus gracilis (Sars, 1863) (Copepoda, Calanoida) from fresh water of Bavaria, Germany (unpublished data of M. Mayer in the workgroup of D. Waloszek). VII. Monstrilla hamatapex Grygier and Ohtsuka, 1995 (Copepoda, Monstrilloida) from adjacent to Tanabe Bay, Japan (Grygier and Ohtsuka, 1995). VIII. Laura bicornuta Grygier, 1985 (Ascothoracida) from Hawaii (Grygier, 1985). IX. Hansenocaris furcifera Itô, 1989 (Facetotecta) from Tanabe Bay, Japan (Itô, 1990). X. Briarosaccus tenellus Boschma, 1970 (Cirripedia, Rhizocephala) (Walossek et al., 1996). XI. Euphausia superba (Dana, 1852) (Euphausiacea) from Antarctic waters (Fraser, 1936). XII. Macropetasma africanum (Balss, 1913) (Decapoda, Penaeoidea) from off the coast along southern Africa (Cockcroft, 1985). ? = data uncertain or unknown.


Value	I	II	III	IV	V	VI	VII	VIII	IX	X	XI	XII
total length	150	160	350	80	235	135	50	440	280	320	650	250
total width	160	?	120	65	200	75	32	280	170	200	480	130
antennula number of elements	6	?	1	3	3	2	3	5	2	3	1	1
antennula length	?	?	50	25	50	80	12	180	40	130	300	200
antenna length	190	100	200	60	100	100	15	200	80	155	320	200
antennal endopod number of elements	3	4	1	1	1	1	2	3	2	1	1	1
antennal endopod length	60	60	60	40	30	23	10	100	25	75	60	150
antennal exopod number of annuli	12	7–8	6–8	2	5	7	4	8–9	6	8	1	1
antennal exopod length	160	70	80	20	50	52	8	130	45	90	60	160
mandible length	170?	85	60	25	60	50	12	180	80	100	300	100
mandibular endopod number of elements	1	3	1	1	1	1	1?	3	2	1	1	1
mandibular endopod length	14?	45	10	10	10	23	10?	100	25	30	60	70
mandibular exopod number of elements	7	7	1	2	2	5	1	7	5	6	1	1
mandibular exopod length	130	50	10	20	25	24	3	110	40	55	60	70

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Tables: Nauplius larva in chert