Table 3.

Statistics for the relation between inner node number and branch length from tree root

Cyclin group	Cyclin sub- families	Pearson correlation; GLS (R:stats [74]) fitting of n = α + βx					Webster et al. [101]statistics*; GLS (R:stats [74]) fitting of n = βxδ					Venditti et al. [100]and Pagel et al. [99]statistics**
		R2	α ± SE	p-value	β ± SE	p-value	δ ± SE	p-value	β ± SE	p-value	1/δ < 1 & signi-ficant β	Signi-ficant β
Inv cyclins: coelenterates, echinodermates, insects.	A	0.7163	0.18 ± 0.12	0.1807	0.85 ± 0.18	0.001	1.40 ± 0.36	0.0036	0.18 ± 0.07	0.0308	0	1
	B	0.8456	0.44 ± 0.14	0.0152	0.92 ± 0.15	0.0004	1.58 ± 0.28	0.0007	0.31 ± 0.08	0.0054	0	0
	B3	0.8496	0.92 ± 0.10	0.000008	0.92 ± 0.13	0.00006	2.53 ± 0.38	0.0001	0.68 ± 0.09	0.00004	0	1
	D	0.4892	0.36 ± 0.21	0.1297	0.70 ± 0.25	0.0244	1.79 ± 0.79	0.0537	0.35 ± 0.16	0.0647	0	0
	E	0.3226	0.36 ± 0.24	0.1723	0.57 ± 0.29	0.0868	2.11 ± 1.23	0.1245	0.36 ± 0.18	0.0891	0	0
Inv cyclins: echinodermates, insects.	A	0.5561	0.15 ± 0.22	0.5080	0.75 ± 0.25	0.0211	1.28 ± 0.51	0.0392	0.15 ± 0.10	0.1810	0	0
	B	0.6706	0.47 ± 0.28	0.1608	0.82 ± 0.26	0.0242	1.57 ± 0.53	0.0311	0.31 ± 0.16	0.1040	0	0
	B3	0.7240	0.97 ± 0.17	0.0007	0.85 ± 0.20	0.0036	2.54 ± 0.65	0.0057	0.68 ± 0.16	0.0036	0	1
	D	0.2700	0.50 ± 0.34	0.1939	0.52 ± 0.35	0.1869	2.30 ± 1.70	0.2240	0.47 ± 0.27	0.1380	0	0
	E	0.0819	0.53 ± 0.48	0.3067	0.29 ± 0.39	0.4920	2.79 ± 3.86	0.4970	0.45 ± 0.43	0.3350	0	0
Ver cyclins: lower and higher chordates	A1	0.0380	0.58 ± 0.25	0.0471	0.19 ± 0.33	0.5657	3.73 ± 1.00	0.0020	0.32 ± 0.05	0.00003	0	0
	A2	0.3713	0.38 ± 0.08	0.0014	0.61 ± 0.26	0.0466	3.83 ± 1.19	0.0063	0.37 ± 0.07	0.0002	0	1
	B1	0.1989	1.00 ± 0.06	0	0.45 ± 0.30	01691	11.9 ± 6.36	0.0877	0.89 ± 0.10	0	0	0
	B2	0.8209	0.86 ± 0.04	0	0.91 ± 0.14	0.0001	5.34 ± 0.60	0	0.69 ± 0.04	0	0	1
	B3	0.6674	0.62 ± 0.25	0.0372	0.82 ± 0.20	0.0039	1.70 ± 0.47	0.0064	0.43 ± 0.16	0.0257	1	1
	D1	0.9021	0.19 ± 0.05	0.0046	0.95 ± 0.10	0.000008	1.70 ± 0.17	0	0.22 ± 0.03	0	0	1
	D2	0.5802	0.24 ± 0.04	0.0002	0.76 ± 0.22	0.0064	3.33 ± 0.66	0.0003	0.21 ± 0.03	0	0	0
	D3	0.6270	0.24 ± 0.11	0.0614	0.79 ± 0.23	0.0110	2.02 ± 0.65	0.0168	0.23 ± 0.07	0.0162	0	0
	E1	0.4468	0.45 ± 0.14	0.0102	0.67 ± 0.25	0.0245	2.95 ± 0.86	0.0042	0.40 ± 0.09	0.0006	0	0
	E2	0.7841	0.22 ± 0.13	0.1125	0.89 ± 0.15	0.0003	2.79 ± 0.79	0.0031	0.43 ± 0.10	0.0007	0	0
Ver cyclins: coelenterates, lower and higher chordates	A1	0.1317	0.50 ± 0.12	0.0008	0.36 ± 0.23	0.1267	3.99 ± 2.25	0.0940	0.39 ± 0.13	0.0082	0	1
	A2	0.6144	0.38 ± 0.4	0	0.78 ± 0.15	0.00007	3.56 ± 0.68	0.00006	0.31 ± 0.04	0	0	0
	B1	0.4895	0.93 ± 0.04	0	0.70 ± 0.20	0.0037	7.88 ± 1.98	0.0016	0.79 ± 0.06	0	0	0
	B2	0.8826	0.87 ± 0.02	0	0.94 ± 0.09	0	5.45 ± 0.47	0	0.70 ± 0.03	0	0	1
	B3	0.7127	0.80 ± 0.15	0.0004	0.84 ± 0.17	0.0006	2.23 ± 0.5	0.0012	0.59 ± 0.13	0.0011	0	1
	D1	0.7631	0.32 ± 0.05	0.00005	0.87 ± 0.13	0.00002	2.35 ± 0.42	0.00007	0.30 ± 0.04	0.00001	0	1
	D2	0.0208	0.38 ± 0.05	0.000003	0.14 ± 0.26	0.5943	41.0 ± 138	0.771	0.39 ± 0.06	0	0	0
	D3	0.4942	0.36 ± 0.08	0.0019	0.70 ± 0.24	0.0158	3.15 ± 1.11	0.0197	0.34 ± 0.07	0.0011	0	0
	E1	0.6326	0.44 ± 0.07	0.00002	0.80 ± 0.15	0.00008	2.70 ± 0.51	0.00008	0.37 ± 0.06	0	0	0
	E2	0.6198	0.46 ± 0.09	0.00007	0.79 ± 0.15	0.00006	2.46 ± 0.46	0.00005	0.38 ± 0.07	0.00002	0	0
Fungal cyclins	CLB3-4	0.6515	0.69 ± 0.24	0.0229	0.81 ± 0.22	0.0085	1.95 ± 0.59	0.0132	0.53 ± 0.18	0.0190	1	1
	CDC13	0.1984	1.01 ± 0.13	0.00003	0.45 ± 0.30	0.1698	6.41 ± 4.40	0.1784	0.84 ± 0.21	0.0032	0	0

* Significant δ ≤ 1 and β > 0, evidence for punctual evolution.

** Significant β, node density artefact present; δ < 1 and significant β, evidence for punctual evolution.

Cyclin groups under impact of punctual evolution are in bold.